Tribute to Hunger (Card)
Tribute to Hunger
In 3797 decks
0.12% of 3256572 decks

Dec 18, 2019
Epic Experiment - Lich Mastery Sidisi
How do we make Lich's Mastery more viable? Sidisi has some ideas.
Vito, Thorn of the Dusk Rose
7.76% of 3595 decks
279 decks
Tergrid, God of Fright
1.51% of 10344 decks
156 decks
Gollum, Obsessed Stalker
8.07% of 1822 decks
147 decks
Edgar Markov
0.41% of 34731 decks
144 decks
Elenda, Saint of Dusk
5.50% of 1982 decks
109 decks
Ayli, Eternal Pilgrim
7.43% of 1440 decks
107 decks
K'rrik, Son of Yawgmoth
0.47% of 16530 decks
78 decks
Tivash, Gloom Summoner
12.96% of 540 decks
70 decks
Dina, Soul Steeper
0.86% of 7878 decks
68 decks
Astarion, the Decadent
1.16% of 5607 decks
65 decks
Oloro, Ageless Ascetic
0.37% of 15185 decks
56 decks
Vren, the Relentless
0.73% of 7374 decks
54 decks
Lorcan, Warlock Collector
12.53% of 407 decks
51 decks
Olivia Voldaren
2.91% of 1650 decks
48 decks
Tinybones, Bauble Burglar
0.99% of 4343 decks
43 decks
Lathril, Blade of the Elves
0.16% of 26548 decks
43 decks
Toshiro Umezawa
2.02% of 1985 decks
40 decks
Garna, Bloodfist of Keld
2.15% of 1717 decks
37 decks
Ygra, Eater of All
0.27% of 13329 decks
36 decks
Zevlor, Elturel Exile
0.85% of 4015 decks
34 decks
New Cards
Gongaga, Reactor Town
21% of 14 decks
+21% synergy
The Wind Crystal
12% of 233 decks
+12% synergy
Sharlayan, Nation of Scholars
11% of 35 decks
+11% synergy
Lyse Hext
10% of 40 decks
+10% synergy
Guadosalam, Farplane Gateway
10% of 21 decks
+9% synergy
High Synergy Cards
Mortify
47% of 1039 decks
+47% synergy
Exsanguinate
43% of 3797 decks
+43% synergy
Fiendish Panda
36% of 839 decks
+36% synergy
Vampire Nighthawk
35% of 3797 decks
+35% synergy
Fumigate
33% of 1039 decks
+33% synergy
Marauding Blight-Priest
33% of 3797 decks
+32% synergy
Cultivate
32% of 500 decks
+31% synergy
Swiftfoot Boots
31% of 3797 decks
+30% synergy
Dark Ritual
31% of 3797 decks
+30% synergy
Negate
29% of 576 decks
+29% synergy
Top Cards
Llanowar Elves
29% of 500 decks
+29% synergy
Vengeful Bloodwitch
29% of 2869 decks
+29% synergy
Counterspell
28% of 576 decks
+28% synergy
Hinterland Sanctifier
28% of 841 decks
+28% synergy
Feed the Swarm
28% of 3797 decks
+28% synergy
Angel of Vitality
27% of 1039 decks
+27% synergy
Ajani's Pridemate
26% of 1039 decks
+26% synergy
Blood Artist
26% of 3797 decks
+26% synergy
Sanguine Bond
26% of 3797 decks
+26% synergy
Rampant Growth
26% of 500 decks
+26% synergy
Game Changers
Grand Arbiter Augustin IV
18% of 155 decks
+18% synergy
Demonic Tutor
10% of 3797 decks
+9% synergy
Bolas's Citadel
9% of 3797 decks
+9% synergy
Smothering Tithe
8% of 1039 decks
+7% synergy
Rhystic Study
7% of 576 decks
+7% synergy
Cyclonic Rift
7% of 576 decks
+7% synergy
Vampiric Tutor
7% of 3797 decks
+7% synergy
Teferi's Protection
6% of 1039 decks
+6% synergy
Creatures
Gray Merchant of Asphodel
25% of 3797 decks
+25% synergy
Dazzling Angel
23% of 832 decks
+23% synergy
Reclamation Sage
21% of 500 decks
+21% synergy
Wardens of the Cycle
21% of 342 decks
+21% synergy
Perforating Artist
20% of 613 decks
+20% synergy
Nullpriest of Oblivion
20% of 3797 decks
+19% synergy
Inspiring Overseer
19% of 1039 decks
+19% synergy
Arcades Sabboth
19% of 58 decks
+19% synergy
Cat Collector
18% of 839 decks
+18% synergy
Sangromancer
18% of 3797 decks
+18% synergy
Elenda, Saint of Dusk
18% of 837 decks
+18% synergy
Goblin Electromancer
17% of 196 decks
+17% synergy
Drogskol Reaver
17% of 155 decks
+17% synergy
Ayli, Eternal Pilgrim
17% of 1039 decks
+17% synergy
Massacre Wurm
17% of 3797 decks
+16% synergy
Sanguine Syphoner
17% of 2599 decks
+16% synergy
Cormela, Glamour Thief
16% of 196 decks
+16% synergy
Lyra Dawnbringer
16% of 1039 decks
+16% synergy
Stromkirk Captain
16% of 860 decks
+16% synergy
Consuming Aberration
16% of 576 decks
+16% synergy
Elvish Regrower
16% of 342 decks
+16% synergy
Crypt Ghast
16% of 3797 decks
+16% synergy
Vito, Thorn of the Dusk Rose
15% of 3797 decks
+15% synergy
Bloodthirsty Conqueror
15% of 2621 decks
+15% synergy
Linden, the Steadfast Queen
15% of 1039 decks
+15% synergy
Soul Warden
15% of 1039 decks
+15% synergy
Gatekeeper of Malakir
15% of 3797 decks
+15% synergy
Immersturm Predator
15% of 860 decks
+14% synergy
Sakura-Tribe Elder
14% of 500 decks
+14% synergy
Exemplar of Light
14% of 841 decks
+14% synergy
Elas il-Kor, Sadistic Pilgrim
14% of 1039 decks
+14% synergy
Charming Prince
14% of 1039 decks
+14% synergy
Kambal, Consul of Allocation
14% of 1039 decks
+14% synergy
Falkenrath Noble
13% of 3797 decks
+13% synergy
Tatyova, Benthic Druid
13% of 104 decks
+13% synergy
Enduring Tenacity
13% of 3021 decks
+13% synergy
Cruel Celebrant
13% of 1039 decks
+13% synergy
Solemn Simulacrum
13% of 3797 decks
+13% synergy
Azor, the Lawbringer
13% of 155 decks
+13% synergy
Ramos, Dragon Engine
12% of 56 decks
+12% synergy
Stromkirk Noble
12% of 860 decks
+12% synergy
Creeping Bloodsucker
12% of 3797 decks
+12% synergy
Brago, King Eternal
12% of 155 decks
+12% synergy
Kalastria Highborn
12% of 3797 decks
+12% synergy
Burnished Hart
12% of 3797 decks
+12% synergy
Varina, Lich Queen
12% of 155 decks
+11% synergy
Springbloom Druid
12% of 500 decks
+11% synergy
Tithe Drinker
11% of 1039 decks
+11% synergy
Welcoming Vampire
11% of 1039 decks
+11% synergy
Butcher of Malakir
11% of 3797 decks
+11% synergy
Instants
Hero's Downfall
26% of 3797 decks
+25% synergy
Swords to Plowshares
26% of 1039 decks
+25% synergy
Abrade
25% of 860 decks
+25% synergy
Putrefy
23% of 500 decks
+23% synergy
Murder
22% of 3797 decks
+22% synergy
Terminate
22% of 860 decks
+22% synergy
Opt
21% of 576 decks
+21% synergy
Boros Charm
20% of 277 decks
+20% synergy
Refute
20% of 391 decks
+20% synergy
Disenchant
20% of 1039 decks
+20% synergy
Divine Resilience
19% of 839 decks
+19% synergy
Crackling Doom
18% of 277 decks
+18% synergy
Path to Exile
17% of 1039 decks
+17% synergy
Fall of the Gavel
17% of 155 decks
+17% synergy
Rakdos Charm
16% of 860 decks
+16% synergy
Go for the Throat
16% of 3797 decks
+16% synergy
Essence Scatter
15% of 576 decks
+15% synergy
Valorous Stance
15% of 1039 decks
+15% synergy
Joust Through
14% of 839 decks
+14% synergy
Make a Stand
14% of 1039 decks
+14% synergy
Stroke of Midnight
14% of 1026 decks
+14% synergy
Thrill of Possibility
14% of 860 decks
+13% synergy
Brainstorm
13% of 576 decks
+13% synergy
Village Rites
13% of 3797 decks
+13% synergy
Snakeskin Veil
13% of 500 decks
+13% synergy
Bedevil
13% of 860 decks
+13% synergy
Tendrils of Corruption
12% of 3797 decks
+12% synergy
Undying Malice
12% of 3797 decks
+12% synergy
Crypt Incursion
12% of 3797 decks
+12% synergy
Unsummon
12% of 576 decks
+12% synergy
Tragic Slip
12% of 3797 decks
+12% synergy
Chaos Warp
12% of 860 decks
+12% synergy
An Offer You Can't Refuse
12% of 576 decks
+12% synergy
Defile
12% of 3797 decks
+11% synergy
Anguished Unmaking
12% of 1039 decks
+11% synergy
Moment of Craving
12% of 3797 decks
+11% synergy
Broken Wings
11% of 500 decks
+11% synergy
Doom Blade
11% of 3797 decks
+11% synergy
Infernal Grasp
11% of 3797 decks
+11% synergy
Think Twice
11% of 576 decks
+10% synergy
Sheoldred's Edict
11% of 3797 decks
+10% synergy
Consuming Corruption
10% of 3097 decks
+10% synergy
Mortality Spear
10% of 500 decks
+10% synergy
Soul Shatter
10% of 3797 decks
+10% synergy
Assassin's Trophy
10% of 500 decks
+10% synergy
Bolt Bend
9% of 860 decks
+9% synergy
Erebos's Intervention
9% of 3797 decks
+9% synergy
Overkill
9% of 728 decks
+9% synergy
Lightning Bolt
9% of 860 decks
+9% synergy
Withering Torment
9% of 2789 decks
+9% synergy
Sorceries
Deadly Brew
23% of 500 decks
+23% synergy
Cruel Ultimatum
22% of 196 decks
+22% synergy
Sign in Blood
22% of 3797 decks
+21% synergy
Blasphemous Act
19% of 860 decks
+19% synergy
Diabolic Tutor
17% of 3797 decks
+17% synergy
Circuitous Route
16% of 500 decks
+15% synergy
Read the Bones
15% of 3797 decks
+15% synergy
Zombify
14% of 3797 decks
+14% synergy
Kodama's Reach
13% of 500 decks
+13% synergy
Farseek
13% of 500 decks
+13% synergy
Bushwhack
13% of 500 decks
+12% synergy
Sanguine Indulgence
12% of 3797 decks
+12% synergy
Consuming Vapors
12% of 3797 decks
+12% synergy
Duress
12% of 3797 decks
+12% synergy
Debt to the Deathless
12% of 1039 decks
+12% synergy
Blasphemous Edict
12% of 2606 decks
+12% synergy
Maelstrom Pulse
12% of 500 decks
+11% synergy
Night's Whisper
12% of 3797 decks
+11% synergy
Blood Tithe
11% of 3797 decks
+11% synergy
Day of Judgment
10% of 1039 decks
+10% synergy
Victimize
10% of 3797 decks
+10% synergy
Ruinous Ultimatum
10% of 277 decks
+10% synergy
Toxic Deluge
10% of 3797 decks
+10% synergy
Corrupt
10% of 3797 decks
+10% synergy
Culling Ritual
9% of 500 decks
+9% synergy
Reanimate
9% of 3797 decks
+9% synergy
Ponder
9% of 576 decks
+9% synergy
Blood Tribute
9% of 3797 decks
+8% synergy
Faithless Looting
9% of 860 decks
+8% synergy
Damn
9% of 1039 decks
+8% synergy
Macabre Waltz
9% of 3797 decks
+8% synergy
Vandalblast
8% of 860 decks
+8% synergy
Seeker's Folly
8% of 2603 decks
+8% synergy
Eaten Alive
8% of 3797 decks
+8% synergy
Harmonize
8% of 500 decks
+8% synergy
Dread Summons
8% of 3797 decks
+8% synergy
Grow from the Ashes
8% of 500 decks
+8% synergy
Crash Through
8% of 860 decks
+8% synergy
Villainous Wealth
8% of 104 decks
+8% synergy
Slave of Bolas
8% of 196 decks
+8% synergy
Rite of Replication
8% of 576 decks
+8% synergy
Preordain
7% of 576 decks
+7% synergy
Overrun
7% of 500 decks
+7% synergy
Syphon Mind
7% of 3797 decks
+7% synergy
Explore
7% of 500 decks
+7% synergy
Dreadbore
7% of 860 decks
+7% synergy
River's Rebuke
7% of 576 decks
+7% synergy
Cornered by Black Mages
7% of 692 decks
+7% synergy
Harmless Offering
7% of 860 decks
+7% synergy
Rise of the Dark Realms
7% of 3797 decks
+7% synergy
Utility Artifacts
Jet Medallion
17% of 3797 decks
+17% synergy
Lightning Greaves
15% of 3797 decks
+14% synergy
Basilisk Collar
14% of 3797 decks
+14% synergy
Bontu's Monument
14% of 3797 decks
+14% synergy
Demon's Horn
11% of 3797 decks
+10% synergy
Heaped Harvest
10% of 406 decks
+9% synergy
Staff of the Death Magus
9% of 3797 decks
+9% synergy
Wayfarer's Bauble
9% of 3797 decks
+9% synergy
Whip of Erebos
9% of 3797 decks
+9% synergy
Door to Nothingness
9% of 56 decks
+9% synergy
Well of Lost Dreams
8% of 3797 decks
+8% synergy
Alhammarret's Archive
8% of 3797 decks
+8% synergy
The Darkness Crystal
8% of 847 decks
+7% synergy
Ravenous Amulet
7% of 2599 decks
+7% synergy
Aetherflux Reservoir
7% of 3797 decks
+7% synergy
Wishclaw Talisman
7% of 3797 decks
+7% synergy
Prism Ring
7% of 3797 decks
+6% synergy
Sinister Monolith
6% of 2968 decks
+6% synergy
Whispersilk Cloak
6% of 3797 decks
+6% synergy
Elixir of Immortality
6% of 3797 decks
+5% synergy
Tithing Blade
6% of 3553 decks
+5% synergy
Expedition Map
5% of 3797 decks
+5% synergy
Cosmos Elixir
5% of 3797 decks
+5% synergy
Enchantments
Phyrexian Arena
25% of 3797 decks
+25% synergy
Authority of the Consuls
20% of 1039 decks
+20% synergy
Exquisite Blood
20% of 3797 decks
+20% synergy
Vampiric Rites
17% of 3797 decks
+17% synergy
Angelic Destiny
15% of 1039 decks
+15% synergy
Moldervine Reclamation
15% of 500 decks
+15% synergy
Impact Tremors
14% of 860 decks
+14% synergy
Unflinching Courage
14% of 108 decks
+14% synergy
Lunar Convocation
14% of 905 decks
+14% synergy
Primeval Bounty
14% of 500 decks
+13% synergy
Propaganda
13% of 576 decks
+13% synergy
Stensia Masquerade
13% of 860 decks
+13% synergy
Garruk's Uprising
13% of 500 decks
+12% synergy
Midnight Snack
12% of 2611 decks
+12% synergy
Felidar Retreat
11% of 1039 decks
+11% synergy
Blind Obedience
11% of 1039 decks
+11% synergy
Painful Quandary
11% of 3797 decks
+11% synergy
Cleric Class
11% of 1039 decks
+11% synergy
Leyline of Hope
11% of 916 decks
+11% synergy
Stasis Snare
11% of 1039 decks
+10% synergy
Twinblade Blessing
10% of 839 decks
+10% synergy
Gratuitous Violence
10% of 860 decks
+10% synergy
Banishing Light
10% of 1039 decks
+10% synergy
Black Market
9% of 3797 decks
+9% synergy
Witness Protection
9% of 576 decks
+9% synergy
Awaken the Honored Dead
9% of 45 decks
+9% synergy
Rooftop Storm
9% of 576 decks
+9% synergy
Thousand-Year Storm
8% of 196 decks
+8% synergy
Revenge of Ravens
8% of 3797 decks
+8% synergy
Grave Pact
8% of 3797 decks
+7% synergy
Greed
8% of 3797 decks
+7% synergy
Doubling Season
7% of 500 decks
+7% synergy
Deathreap Ritual
7% of 500 decks
+7% synergy
Grievous Wound
7% of 2804 decks
+7% synergy
Bastion of Remembrance
7% of 3797 decks
+7% synergy
Ordeal of Nylea
7% of 500 decks
+7% synergy
Black Market Connections
7% of 3797 decks
+7% synergy
Ghostly Prison
7% of 1039 decks
+6% synergy
Rhythm of the Wild
7% of 92 decks
+6% synergy
Trudge Garden
6% of 500 decks
+6% synergy
The Eldest Reborn
6% of 3797 decks
+6% synergy
All-Out Assault
6% of 133 decks
+6% synergy
Roaring Furnace // Steaming Sauna
6% of 120 decks
+6% synergy
Dawn of Hope
6% of 1039 decks
+6% synergy
Polluted Bonds
6% of 3797 decks
+6% synergy
The Meathook Massacre
6% of 3797 decks
+6% synergy
Eternal Thirst
6% of 3797 decks
+6% synergy
March of the Canonized
6% of 1003 decks
+5% synergy
Dictate of Erebos
5% of 3797 decks
+5% synergy
Confiscate
5% of 576 decks
+5% synergy
Planeswalkers
Sorin, Lord of Innistrad
9% of 1039 decks
+9% synergy
Vraska, Golgari Queen
8% of 500 decks
+8% synergy
Liliana of the Dark Realms
7% of 3797 decks
+7% synergy
Sorin, Vengeful Bloodlord
7% of 1039 decks
+7% synergy
Liliana, Dreadhorde General
6% of 3797 decks
+6% synergy
Sorin Markov
5% of 3797 decks
+5% synergy
Nicol Bolas, Planeswalker
5% of 196 decks
+5% synergy
Utility Lands
Rogue's Passage
23% of 3797 decks
+23% synergy
Bojuka Bog
22% of 3797 decks
+22% synergy
Reliquary Tower
16% of 3797 decks
+16% synergy
Cabal Coffers
15% of 3797 decks
+15% synergy
Vault of the Archangel
15% of 1039 decks
+14% synergy
Cabal Stronghold
10% of 3797 decks
+10% synergy
Temple of the False God
10% of 3797 decks
+10% synergy
Urborg, Tomb of Yawgmoth
9% of 3797 decks
+9% synergy
Mortuary Mire
9% of 3797 decks
+9% synergy
Radiant Fountain
9% of 3797 decks
+9% synergy
Witch's Cottage
8% of 3797 decks
+8% synergy
Restless Fortress
7% of 1028 decks
+7% synergy
Mystic Sanctuary
7% of 576 decks
+7% synergy
Lindblum, Industrial Regency
7% of 180 decks
+7% synergy
Adventurer's Inn
7% of 847 decks
+6% synergy
Barren Moor
7% of 3797 decks
+6% synergy
Gingerbread Cabin
6% of 500 decks
+6% synergy
Sapseep Forest
6% of 500 decks
+6% synergy
Restless Cottage
6% of 495 decks
+6% synergy
Nykthos, Shrine to Nyx
6% of 3797 decks
+6% synergy
Kessig Wolf Run
5% of 92 decks
+5% synergy
Castle Locthwain
5% of 3797 decks
+5% synergy
Mana Artifacts
Sol Ring
75% of 3797 decks
+74% synergy
Arcane Signet
56% of 3797 decks
+56% synergy
Dimir Signet
24% of 576 decks
+23% synergy
Orzhov Signet
23% of 1039 decks
+23% synergy
Rakdos Signet
23% of 860 decks
+23% synergy
Mind Stone
17% of 3797 decks
+17% synergy
Izzet Signet
16% of 196 decks
+16% synergy
Talisman of Dominance
16% of 576 decks
+16% synergy
Commander's Sphere
16% of 3797 decks
+16% synergy
Charcoal Diamond
14% of 3797 decks
+14% synergy
Talisman of Indulgence
13% of 860 decks
+13% synergy
Pristine Talisman
13% of 3797 decks
+13% synergy
Golgari Signet
12% of 500 decks
+12% synergy
Talisman of Hierarchy
12% of 1039 decks
+12% synergy
Talisman of Creativity
11% of 196 decks
+11% synergy
Azorius Signet
11% of 155 decks
+11% synergy
Boros Signet
11% of 277 decks
+11% synergy
Thought Vessel
11% of 3797 decks
+11% synergy
Gilded Lotus
10% of 3797 decks
+9% synergy
Heraldic Banner
9% of 3797 decks
+9% synergy
Talisman of Resilience
9% of 500 decks
+9% synergy
Obelisk of Esper
8% of 155 decks
+8% synergy
Fellwar Stone
8% of 3797 decks
+8% synergy
Hedron Archive
8% of 3797 decks
+7% synergy
Fire Diamond
8% of 860 decks
+7% synergy
Haunted Screen
8% of 40 decks
+7% synergy
Obelisk of Grixis
7% of 196 decks
+7% synergy
Talisman of Conviction
7% of 277 decks
+7% synergy
Pyromancer's Goggles
6% of 860 decks
+6% synergy
Obelisk of Jund
5% of 92 decks
+5% synergy
Talisman of Progress
5% of 155 decks
+5% synergy
Relic of Sauron
5% of 196 decks
+5% synergy
Lands
Scoured Barrens
62% of 1039 decks
+62% synergy
Temple of Silence
51% of 1039 decks
+51% synergy
Jungle Hollow
50% of 500 decks
+50% synergy
Bloodfell Caves
46% of 860 decks
+46% synergy
Command Tower
44% of 3797 decks
+44% synergy
Dismal Backwater
43% of 576 decks
+42% synergy
Temple of Malady
41% of 500 decks
+41% synergy
Temple of Malice
37% of 860 decks
+36% synergy
Wind-Scarred Crag
36% of 277 decks
+36% synergy
Orzhov Guildgate
36% of 1039 decks
+36% synergy
Crumbling Necropolis
36% of 196 decks
+36% synergy
Blossoming Sands
35% of 108 decks
+35% synergy
Arcane Sanctum
32% of 155 decks
+32% synergy
Nomad Outpost
32% of 277 decks
+32% synergy
Golgari Guildgate
31% of 500 decks
+31% synergy
Temple of Deceit
31% of 576 decks
+31% synergy
Thornwood Falls
31% of 104 decks
+31% synergy
Swiftwater Cliffs
30% of 196 decks
+30% synergy
Temple of Mystery
30% of 104 decks
+30% synergy
Rakdos Guildgate
29% of 860 decks
+29% synergy
Tranquil Cove
28% of 155 decks
+28% synergy
Golgari Rot Farm
28% of 500 decks
+28% synergy
Evolving Wilds
28% of 3797 decks
+28% synergy
Woodland Cemetery
28% of 500 decks
+27% synergy
Rugged Highlands
27% of 92 decks
+27% synergy
Temple of Triumph
26% of 277 decks
+26% synergy
Sunken Hollow
26% of 576 decks
+26% synergy
Sandsteppe Citadel
26% of 108 decks
+26% synergy
Smoldering Marsh
25% of 860 decks
+25% synergy
Temple of Epiphany
24% of 196 decks
+24% synergy
Isolated Chapel
24% of 1039 decks
+24% synergy
Dragonskull Summit
23% of 860 decks
+23% synergy
Dimir Guildgate
22% of 576 decks
+22% synergy
Temple of Plenty
22% of 108 decks
+22% synergy
Tainted Wood
22% of 500 decks
+22% synergy
Temple of Enlightenment
22% of 155 decks
+22% synergy
Temple of Abandon
22% of 92 decks
+22% synergy
Gruul Guildgate
22% of 92 decks
+22% synergy
Hallowed Fountain
21% of 155 decks
+21% synergy
Sulfur Falls
20% of 196 decks
+20% synergy
Dimir Aqueduct
20% of 576 decks
+20% synergy
Drowned Catacomb
20% of 576 decks
+19% synergy
Selesnya Guildgate
19% of 108 decks
+19% synergy
Orzhov Basilica
19% of 1039 decks
+19% synergy
Izzet Guildgate
19% of 196 decks
+19% synergy
Rakdos Carnarium
19% of 860 decks
+19% synergy
Caves of Koilos
18% of 1039 decks
+18% synergy
Simic Guildgate
18% of 104 decks
+18% synergy
Opulent Palace
18% of 104 decks
+18% synergy
Boros Guildgate
18% of 277 decks
+18% synergy