Army of the Damned (Card)

Army of the Damned
In 56885 decks 2% of 2840647 decks
Jon Ruggiero
Wizards Announces Upcoming Reprint-Only Call of Duty Set to Be Reprinted Yearly
Universes Beyond: Call of Duty will consist of nothing but reprints and be released yearly with zero significant changes or innovations.
Unsummoned Skull
Pokedecks: Narfi, the Duskull
Unsummoned Skull uses Narfi, Betrayer King as a stand-in for ghost Pokemon Duskull in this week's Pokedeck!
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Temmet, Naktamun's Will
9.99% of 6014 decks 601 decks
Top Commanders
Wilhelt, the Rotcleaver
49.77% of 19464 decks 9687 decks
The Scarab God
50.62% of 11128 decks 5633 decks
Anhelo, the Painter
49.03% of 6055 decks 2969 decks
Gisa and Geralf
56.01% of 5251 decks 2941 decks
Magar of the Magic Strings
60.87% of 4626 decks 2816 decks
Varina, Lich Queen
33.14% of 8491 decks 2814 decks
Ayara, First of Locthwain
45.21% of 5262 decks 2379 decks
Ghoulcaller Gisa
44.76% of 3141 decks 1406 decks
Grimgrin, Corpse-Born
48.90% of 2679 decks 1310 decks
Hidetsugu and Kairi
35.97% of 3158 decks 1136 decks
Liliana, Heretical Healer
27.81% of 3768 decks 1048 decks
The Infamous Cruelclaw
14.99% of 5809 decks 871 decks
Jeleva, Nephalia's Scourge
36.93% of 2329 decks 860 decks
Chatterfang, Squirrel General
4.23% of 18319 decks 774 decks
Marvo, Deep Operative
20.28% of 3811 decks 773 decks
Gisa, the Hellraiser
20.92% of 3676 decks 769 decks
Codie, Vociferous Codex
10.91% of 5867 decks 640 decks
New Cards
On Wings of Gold
39% of 2354 decks +37% synergy
Hashaton, Scarab's Fist
36% of 1755 decks +32% synergy
Renewed Solidarity
31% of 2354 decks +27% synergy
Temmet, Naktamun's Will
21% of 1755 decks +18% synergy
Wizened Mentor
21% of 2354 decks +20% synergy
High Synergy Cards
Diregraf Captain
65% of 35919 decks +61% synergy
Rooftop Storm
61% of 35919 decks +59% synergy
Death Baron
45% of 56885 decks +43% synergy
Lord of the Accursed
45% of 56885 decks +43% synergy
Endless Ranks of the Dead
43% of 56885 decks +42% synergy
Cemetery Reaper
43% of 56885 decks +41% synergy
Hordewing Skaab
43% of 35919 decks +41% synergy
Gleaming Overseer
44% of 35919 decks +41% synergy
Diregraf Colossus
43% of 56885 decks +41% synergy
Cleaver Skaab
41% of 35919 decks +40% synergy
Top Cards
Cultivate
49% of 5669 decks +4% synergy
Swords to Plowshares
49% of 8796 decks -14% synergy
Gray Merchant of Asphodel
46% of 56885 decks +37% synergy
Counterspell
45% of 35919 decks +3% synergy
Kess, Dissident Mage
44% of 7307 decks +40% synergy
Goblin Electromancer
43% of 7307 decks +34% synergy
Corpse Knight
43% of 8796 decks +37% synergy
Feed the Swarm
43% of 56885 decks +25% synergy
Gisa and Geralf
41% of 35919 decks +39% synergy
Cormela, Glamour Thief
41% of 7307 decks +39% synergy
Game Changers
Jeska's Will
17% of 13273 decks +0% synergy
Cyclonic Rift
16% of 35919 decks -11% synergy
Smothering Tithe
15% of 8796 decks -9% synergy
Demonic Tutor
14% of 56885 decks -7% synergy
Rhystic Study
13% of 35919 decks -14% synergy
Bolas's Citadel
11% of 56885 decks +2% synergy
Vampiric Tutor
9% of 56885 decks -8% synergy
Fierce Guardianship
7% of 35919 decks -11% synergy
Mystical Tutor
6% of 35919 decks -8% synergy
Creatures
Wayward Servant
41% of 8796 decks +39% synergy
Gravecrawler
41% of 56885 decks +38% synergy
Undead Augur
40% of 56885 decks +38% synergy
Champion of the Perished
34% of 56885 decks +33% synergy
God-Eternal Oketra
33% of 8796 decks +32% synergy
Storm-Kiln Artist
33% of 13273 decks +24% synergy
Fleshbag Marauder
31% of 56885 decks +27% synergy
Headless Rider
30% of 56885 decks +29% synergy
Eternal Skylord
29% of 35919 decks +29% synergy
Undead Warchief
29% of 56885 decks +28% synergy
Midnight Reaper
29% of 56885 decks +25% synergy
Wilhelt, the Rotcleaver
29% of 35919 decks +27% synergy
Ratadrabik of Urborg
27% of 8796 decks +25% synergy
Geralf, Visionary Stitcher
26% of 35919 decks +25% synergy
Grave Titan
25% of 56885 decks +23% synergy
Tomb Tyrant
25% of 56885 decks +24% synergy
Carrion Feeder
24% of 56885 decks +19% synergy
Zul Ashur, Lich Lord
23% of 19361 decks +22% synergy
Ghoulcaller Gisa
23% of 56885 decks +21% synergy
Anger
23% of 13273 decks +17% synergy
Cryptbreaker
23% of 56885 decks +21% synergy
The Scarab God
23% of 35919 decks +20% synergy
Baral and Kari Zev
22% of 7307 decks +21% synergy
Lord of the Undead
21% of 56885 decks +20% synergy
Accursed Marauder
20% of 31097 decks +15% synergy
Vengeful Dead
20% of 56885 decks +19% synergy
Havengul Lich
19% of 35919 decks +18% synergy
Plague Belcher
19% of 56885 decks +17% synergy
Poppet Stitcher
18% of 35919 decks +18% synergy
Sakura-Tribe Elder
18% of 5669 decks +0% synergy
Noxious Ghoul
18% of 56885 decks +17% synergy
Mikaeus, the Unhallowed
18% of 56885 decks +15% synergy
Zombie Master
17% of 56885 decks +16% synergy
Guttersnipe
17% of 13273 decks +11% synergy
Bladestitched Skaab
17% of 35919 decks +16% synergy
Binding Mummy
17% of 8796 decks +16% synergy
Ravenous Rotbelly
16% of 56885 decks +16% synergy
Grimgrin, Corpse-Born
16% of 35919 decks +15% synergy
Scute Swarm
16% of 5669 decks +6% synergy
Prophet of the Scarab
15% of 7545 decks +14% synergy
Eternal Witness
15% of 5669 decks -5% synergy
Undead Alchemist
15% of 35919 decks +14% synergy
Judith, Carnage Connoisseur
15% of 9147 decks +14% synergy
Murderous Rider
15% of 56885 decks +12% synergy
Overcharged Amalgam
14% of 35919 decks +13% synergy
Elas il-Kor, Sadistic Pilgrim
14% of 8796 decks +4% synergy
Wight of the Reliquary
14% of 3325 decks +8% synergy
Mirkwood Bats
14% of 53331 decks +4% synergy
Mondrak, Glory Dominus
14% of 8796 decks +7% synergy
Avenger of Zendikar
14% of 5669 decks +5% synergy
Instants
Chaos Warp
40% of 13273 decks +8% synergy
Bedevil
39% of 13273 decks +25% synergy
Big Score
36% of 13273 decks +27% synergy
Dark Ritual
33% of 56885 decks +10% synergy
Path to Exile
32% of 8796 decks -15% synergy
Terminate
31% of 13273 decks +11% synergy
Unexpected Windfall
30% of 13273 decks +24% synergy
Thrill of Possibility
29% of 13273 decks +19% synergy
Growth Spiral
27% of 2610 decks +5% synergy
Maestros Charm
26% of 7307 decks +24% synergy
Void Rend
26% of 5863 decks +12% synergy
Rakdos Charm
26% of 13273 decks +11% synergy
Beast Within
25% of 5669 decks -12% synergy
Blood for the Blood God!
25% of 13273 decks +21% synergy
Despark
23% of 8796 decks +8% synergy
Lazotep Plating
23% of 35919 decks +21% synergy
Negate
22% of 35919 decks -1% synergy
Putrefy
21% of 5669 decks +5% synergy
Anguished Unmaking
20% of 8796 decks -4% synergy
Assassin's Trophy
20% of 5669 decks -10% synergy
Go for the Throat
20% of 56885 decks +13% synergy
Village Rites
19% of 56885 decks +10% synergy
Artifact Mutation
17% of 2010 decks +12% synergy
Unite the Coalition
17% of 1303 decks +13% synergy
Second Harvest
16% of 5669 decks +12% synergy
Mortify
16% of 8796 decks +5% synergy
Brainstorm
16% of 35919 decks -4% synergy
Rise of the Dread Marn
16% of 56885 decks +15% synergy
Eureka Moment
16% of 2610 decks +12% synergy
Demand Answers
15% of 9693 decks +10% synergy
Frantic Search
14% of 35919 decks +2% synergy
Withering Torment
14% of 23308 decks +6% synergy
Heroic Intervention
14% of 5669 decks -16% synergy
Tragic Slip
13% of 56885 decks +9% synergy
An Offer You Can't Refuse
13% of 35919 decks -9% synergy
Generous Gift
12% of 8796 decks -13% synergy
Fact or Fiction
12% of 35919 decks +6% synergy
Abrade
11% of 13273 decks +0% synergy
Savage Beating
11% of 13273 decks +10% synergy
Murder
11% of 56885 decks +8% synergy
Deadly Dispute
11% of 56885 decks +0% synergy
Harrow
11% of 5669 decks +2% synergy
Dig Through Time
11% of 35919 decks +6% synergy
Arcane Denial
11% of 35919 decks -10% synergy
Infernal Grasp
10% of 56885 decks +3% synergy
Entomb
10% of 56885 decks +3% synergy
Lightning Bolt
10% of 13273 decks -1% synergy
Twinferno
10% of 13273 decks +8% synergy
Dovin's Veto
10% of 5863 decks -9% synergy
Cathartic Pyre
10% of 13273 decks +9% synergy
Sorceries
Zombie Apocalypse
38% of 56885 decks +37% synergy
Rampant Growth
37% of 5669 decks +3% synergy
Kodama's Reach
34% of 5669 decks +3% synergy
Empty the Laboratory
33% of 35919 decks +33% synergy
Ruinous Ultimatum
33% of 1845 decks +15% synergy
Farseek
31% of 5669 decks -3% synergy
Cruel Ultimatum
31% of 7307 decks +28% synergy
Distant Melody
31% of 35919 decks +26% synergy
Brass's Bounty
30% of 13273 decks +28% synergy
Hit the Mother Lode
30% of 10246 decks +28% synergy
Conflux
30% of 1303 decks +26% synergy
Fevered Suspicion
29% of 13273 decks +27% synergy
Blasphemous Act
29% of 13273 decks -5% synergy
Faithless Looting
28% of 13273 decks +12% synergy
Victimize
27% of 56885 decks +16% synergy
Duneblast
24% of 1825 decks +21% synergy
Damn
23% of 8796 decks +7% synergy
Call Forth the Tempest
22% of 10700 decks +21% synergy
Maestros Confluence
22% of 7307 decks +21% synergy
Nature's Lore
21% of 5669 decks -11% synergy
Emergent Ultimatum
20% of 2610 decks +17% synergy
Dread Summons
19% of 56885 decks +18% synergy
Urban Evolution
19% of 2610 decks +14% synergy
Cathartic Reunion
18% of 13273 decks +15% synergy
Inspired Ultimatum
17% of 1406 decks +16% synergy
Dark Salvation
17% of 56885 decks +16% synergy
Reanimate
16% of 56885 decks -0% synergy
Seize the Spoils
16% of 13273 decks +12% synergy
Disrupt Decorum
15% of 13273 decks +12% synergy
Necrotic Hex
14% of 56885 decks +14% synergy
Three Visits
14% of 5669 decks -10% synergy
Toxic Deluge
14% of 56885 decks -4% synergy
Rise of the Dark Realms
14% of 56885 decks +10% synergy
In Garruk's Wake
13% of 56885 decks +10% synergy
Wake the Dragon
13% of 12284 decks +12% synergy
Pirate's Pillage
13% of 13273 decks +11% synergy
Bring to Light
13% of 2610 decks +11% synergy
Genesis Ultimatum
13% of 1550 decks +7% synergy
Mana Geyser
12% of 13273 decks +6% synergy
Eerie Ultimatum
12% of 1825 decks +0% synergy
Ponder
12% of 35919 decks -0% synergy
Unexpected Results
12% of 2610 decks +11% synergy
Vandalblast
12% of 13273 decks -4% synergy
Ghouls' Night Out
12% of 56885 decks +11% synergy
Ezuri's Predation
12% of 5669 decks +9% synergy
Blasphemous Edict
12% of 18898 decks +4% synergy
Tormenting Voice
12% of 13273 decks +9% synergy
Sign in Blood
11% of 56885 decks +2% synergy
Explore
11% of 5669 decks +2% synergy
Diabolic Tutor
11% of 56885 decks +5% synergy
Utility Artifacts
Commander's Sphere
30% of 56885 decks +15% synergy
Crowded Crypt
25% of 56885 decks +24% synergy
Ashnod's Altar
23% of 56885 decks +16% synergy
Lightning Greaves
21% of 56885 decks -4% synergy
Swiftfoot Boots
20% of 56885 decks -8% synergy
Mind Stone
18% of 56885 decks +1% synergy
Wand of Orcus
17% of 56885 decks +16% synergy
Bontu's Monument
17% of 56885 decks +15% synergy
Wayfarer's Bauble
16% of 56885 decks +7% synergy
Phyrexian Altar
16% of 56885 decks +12% synergy
Skullclamp
15% of 56885 decks +3% synergy
Jet Medallion
14% of 56885 decks +11% synergy
Fist of Suns
14% of 1303 decks +7% synergy
Chitterspitter
12% of 5669 decks +11% synergy
Grimoire of the Dead
9% of 56885 decks +9% synergy
Bootleggers' Stash
8% of 5669 decks +6% synergy
Herald's Horn
6% of 56885 decks -0% synergy
Altar of Dementia
6% of 56885 decks +4% synergy
Conduit of Worlds
6% of 5669 decks +1% synergy
Twinning Staff
6% of 56885 decks +5% synergy
Whispersilk Cloak
6% of 56885 decks +2% synergy
Whip of Erebos
5% of 56885 decks +2% synergy
Cursecloth Wrappings
5% of 11889 decks +5% synergy
Enchantments
Necroduality
39% of 35919 decks +37% synergy
Liliana's Mastery
29% of 56885 decks +28% synergy
Double Vision
29% of 13273 decks +27% synergy
Cryptic Pursuit
28% of 7307 decks +27% synergy
Open the Graves
26% of 56885 decks +25% synergy
Dreadhorde Invasion
24% of 56885 decks +22% synergy
Anointed Procession
23% of 8796 decks +14% synergy
Phyrexian Arena
18% of 56885 decks +2% synergy
Moldervine Reclamation
18% of 5669 decks +9% synergy
Parallel Lives
17% of 5669 decks +10% synergy
Maestros Ascendancy
16% of 7307 decks +15% synergy
Doubling Season
16% of 5669 decks +6% synergy
Necromancer's Covenant
16% of 8796 decks +15% synergy
Curse of the Restless Dead
15% of 56885 decks +14% synergy
Grave Pact
14% of 56885 decks +9% synergy
Leyline of Mutation
14% of 511 decks +8% synergy
Kindred Discovery
13% of 35919 decks +5% synergy
Reflections of Littjara
12% of 35919 decks +7% synergy
Bastion of Remembrance
12% of 56885 decks +6% synergy
Insidious Roots
12% of 4000 decks +6% synergy
Black Market
11% of 56885 decks +7% synergy
Squirrel Nest
10% of 5669 decks +9% synergy
Bedlam
10% of 13273 decks +10% synergy
Maelstrom Nexus
10% of 1303 decks +3% synergy
Awakening Zone
10% of 5669 decks +8% synergy
Assemble the Legion
10% of 1845 decks +6% synergy
Sultai Ascendancy
9% of 2610 decks +8% synergy
Knowledge Is Power
9% of 4281 decks +8% synergy
Graf Harvest
9% of 56885 decks +9% synergy
Intangible Virtue
9% of 8796 decks +4% synergy
Bitter Reunion
9% of 13273 decks +7% synergy
Arcane Bombardment
8% of 13273 decks +7% synergy
Dictate of Erebos
8% of 56885 decks +5% synergy
Thousand-Year Storm
8% of 7307 decks +4% synergy
Beastmaster Ascension
8% of 5669 decks +3% synergy
Leyline of the Guildpact
8% of 881 decks -7% synergy
The Meathook Massacre
8% of 56885 decks +3% synergy
Ghoulish Procession
7% of 56885 decks +7% synergy
Berserkers' Onslaught
7% of 13273 decks +6% synergy
Mirari's Wake
7% of 1825 decks -6% synergy
Primal Vigor
7% of 5669 decks +4% synergy
Goblin War Drums
7% of 13273 decks +7% synergy
Rising of the Day
7% of 12395 decks +2% synergy
Black Market Connections
7% of 56885 decks -4% synergy
Vampiric Rites
7% of 56885 decks +4% synergy
Curse of Disturbance
7% of 56885 decks +6% synergy
Training Grounds
7% of 35919 decks +4% synergy
Deathreap Ritual
6% of 5669 decks +2% synergy
Cryptolith Rite
6% of 5669 decks +3% synergy
Growing Rites of Itlimoc
6% of 5669 decks +0% synergy
Planeswalkers
Liliana, Death's Majesty
30% of 56885 decks +28% synergy
Liliana, Dreadhorde General
20% of 56885 decks +16% synergy
Ral, Storm Conduit
13% of 7307 decks +10% synergy
Liliana, Untouched by Death
11% of 56885 decks +11% synergy
Elspeth, Sun's Champion
8% of 8796 decks +3% synergy
Garruk, Cursed Huntsman
6% of 5669 decks +4% synergy
Liliana, the Last Hope
6% of 56885 decks +5% synergy
Utility Lands
Bojuka Bog
40% of 56885 decks +10% synergy
Reliquary Tower
25% of 56885 decks -5% synergy
Urborg, Tomb of Yawgmoth
22% of 56885 decks +12% synergy
Mortuary Mire
21% of 56885 decks +17% synergy
Cabal Coffers
20% of 56885 decks +9% synergy
Rogue's Passage
13% of 56885 decks -7% synergy
Unholy Grotto
13% of 56885 decks +12% synergy
Vault of the Archangel
13% of 8796 decks +2% synergy
Field of the Dead
12% of 56885 decks +8% synergy
Phyrexian Tower
12% of 56885 decks +3% synergy
Accursed Duneyard
11% of 11889 decks +9% synergy
Witch's Cottage
10% of 56885 decks +6% synergy
Three Tree City
9% of 28568 decks +4% synergy
Takenuma, Abandoned Mire
9% of 56885 decks -1% synergy
Temple of the False God
8% of 56885 decks -1% synergy
Boseiju, Who Endures
8% of 5669 decks -10% synergy
Cabal Stronghold
8% of 56885 decks +5% synergy
Mystic Sanctuary
8% of 35919 decks -4% synergy
Crypt of Agadeem
7% of 56885 decks +6% synergy
Castle Locthwain
7% of 56885 decks +2% synergy
Nykthos, Shrine to Nyx
7% of 56885 decks +2% synergy
Arena of Glory
7% of 7186 decks +1% synergy
Grim Backwoods
7% of 5669 decks +3% synergy
Khalni Garden
6% of 5669 decks +5% synergy
Otawara, Soaring City
6% of 35919 decks -10% synergy
Access Tunnel
6% of 56885 decks +4% synergy
Restless Cottage
5% of 4934 decks +2% synergy
Oran-Rief, the Vastwood
5% of 5669 decks +1% synergy
Castle Ardenvale
5% of 8796 decks +0% synergy
Mana Artifacts
Sol Ring
87% of 56885 decks +3% synergy
Arcane Signet
77% of 56885 decks +5% synergy
Dimir Signet
54% of 35919 decks +25% synergy
Rakdos Signet
53% of 13273 decks +24% synergy
Talisman of Dominance
50% of 35919 decks +18% synergy
Izzet Signet
48% of 7307 decks +20% synergy
Orzhov Signet
38% of 8796 decks +12% synergy
Talisman of Indulgence
30% of 13273 decks +3% synergy
Talisman of Hierarchy
27% of 8796 decks +1% synergy
Talisman of Creativity
26% of 7307 decks -3% synergy
Azorius Signet
22% of 5863 decks -3% synergy
Fellwar Stone
20% of 56885 decks -1% synergy
Golgari Signet
18% of 5669 decks +6% synergy
Charcoal Diamond
16% of 56885 decks +11% synergy
Thought Vessel
14% of 56885 decks -3% synergy
Talisman of Progress
12% of 5863 decks -12% synergy
Sky Diamond
12% of 35919 decks +7% synergy
Talisman of Resilience
12% of 5669 decks -1% synergy
Patchwork Banner
11% of 28221 decks +6% synergy
Simic Signet
10% of 2610 decks -4% synergy
Boros Signet
10% of 1845 decks -12% synergy
Talisman of Conviction
9% of 1845 decks -15% synergy
Heraldic Banner
9% of 56885 decks +7% synergy
Relic of Sauron
8% of 6669 decks -1% synergy
Timeless Lotus
7% of 1303 decks -5% synergy
Gruul Signet
7% of 2010 decks -5% synergy
Fire Diamond
6% of 13273 decks +1% synergy
Lands
Command Tower
74% of 56885 decks -1% synergy
Sunken Hollow
70% of 35919 decks +35% synergy
Crumbling Necropolis
65% of 7307 decks +34% synergy
Choked Estuary
54% of 35919 decks +37% synergy
Arcane Sanctum
53% of 5863 decks +25% synergy
Smoldering Marsh
52% of 13273 decks +19% synergy
Temple of Deceit
46% of 35919 decks +30% synergy
Darkwater Catacombs
41% of 35919 decks +26% synergy
Dimir Aqueduct
40% of 35919 decks +23% synergy
Tainted Isle
40% of 35919 decks +28% synergy
Opulent Palace
39% of 2610 decks +12% synergy
Isolated Chapel
38% of 8796 decks +9% synergy
Dragonskull Summit
38% of 13273 decks +6% synergy
Drowned Catacomb
36% of 35919 decks +9% synergy
Foreboding Ruins
35% of 13273 decks +19% synergy
Temple of Epiphany
33% of 7307 decks +15% synergy
Exotic Orchard
33% of 56885 decks -3% synergy
Xander's Lounge
33% of 7307 decks +7% synergy
Caves of Koilos
31% of 8796 decks +2% synergy
Blood Crypt
31% of 13273 decks -7% synergy
Savage Lands
31% of 2010 decks +8% synergy
Godless Shrine
31% of 8796 decks -9% synergy
Path of Ancestry
31% of 56885 decks +9% synergy
The World Tree
31% of 1303 decks -1% synergy
Myriad Landscape
30% of 56885 decks +12% synergy
Watery Grave
30% of 35919 decks -10% synergy
Raffine's Tower
30% of 5863 decks +4% synergy
Woodland Cemetery
30% of 5669 decks +1% synergy
Frontier Bivouac
30% of 1550 decks +2% synergy
Shadowblood Ridge
29% of 13273 decks +17% synergy
Overgrown Tomb
29% of 5669 decks -13% synergy
Prairie Stream
29% of 5863 decks -5% synergy
Cascade Bluffs
29% of 7307 decks +16% synergy
Hallowed Fountain
28% of 5863 decks -13% synergy
Golgari Rot Farm
28% of 5669 decks +10% synergy
Shipwreck Marsh
27% of 35919 decks +8% synergy
Orzhov Basilica
27% of 8796 decks +11% synergy
Steam Vents
27% of 7307 decks -12% synergy
Sandsteppe Citadel
26% of 1825 decks +0% synergy
Zagoth Triome
26% of 2610 decks -4% synergy
Nomad Outpost
25% of 1845 decks -3% synergy
Sulfur Falls
25% of 7307 decks -7% synergy
Luxury Suite
25% of 13273 decks -1% synergy
Indatha Triome
24% of 1825 decks -6% synergy
Rakdos Carnarium
24% of 13273 decks +10% synergy
Temple of Malady
23% of 5669 decks +7% synergy
Temple of Silence
23% of 8796 decks +5% synergy
Mystic Monastery
23% of 1406 decks -4% synergy
Llanowar Wastes
23% of 5669 decks -3% synergy
Glacial Fortress
23% of 5863 decks -4% synergy