Halo Hopper (Card)

Halo Hopper
In 3582 decks 0% of 5636107 decks
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Grolnok, the Omnivore
30.61% of 5553 decks 1700 decks
Clement, the Worrywort
6.98% of 3982 decks 278 decks
Yawgmoth, Thran Physician
3.68% of 5572 decks 205 decks
Kasla, the Broken Halo
4.21% of 4630 decks 195 decks
Tatsunari, Toad Rider
3.31% of 5860 decks 194 decks
Glarb, Calamity's Augur
0.98% of 9167 decks 90 decks
Saint Traft and Rem Karolus
4.59% of 1809 decks 83 decks
Graaz, Unstoppable Juggernaut
2.06% of 3256 decks 67 decks
Satoru, the Infiltrator
3.50% of 1686 decks 59 decks
Flubs, the Fool
0.30% of 11636 decks 35 decks
Muldrotha, the Gravetide
0.15% of 17188 decks 26 decks
Yargle and Multani
0.37% of 6026 decks 22 decks
Thalia and The Gitrog Monster
0.16% of 13731 decks 22 decks
Helga, Skittish Seer
0.22% of 7561 decks 17 decks
Morophon, the Boundless
0.16% of 10527 decks 17 decks
Rendmaw, Creaking Nest
0.31% of 5523 decks 17 decks
Jhoira, Weatherlight Captain
0.25% of 6035 decks 15 decks
Urza, Chief Artificer
0.08% of 14100 decks 11 decks
New Cards
Voyage Home
9% of 54 decks +7% synergy
Sab-Sunen, Luxa Embodied
9% of 328 decks +7% synergy
Sunbillow Verge
8% of 50 decks +2% synergy
Rescue Leopard
7% of 14 decks +7% synergy
Bleachbone Verge
7% of 14 decks +0% synergy
High Synergy Cards
Spore Frog
85% of 2669 decks +82% synergy
Poison Dart Frog
81% of 2108 decks +79% synergy
Froghemoth
79% of 2669 decks +78% synergy
Plaxcaster Frogling
77% of 2494 decks +76% synergy
Jade Avenger
76% of 2669 decks +75% synergy
Pond Prophet
74% of 1149 decks +72% synergy
Croaking Counterpart
71% of 2494 decks +69% synergy
Omnibian
70% of 2494 decks +69% synergy
Haze Frog
69% of 2669 decks +69% synergy
Crocanura
69% of 2669 decks +68% synergy
Top Cards
Wildfire Awakener
69% of 397 decks +67% synergy
Long River Lurker
65% of 1330 decks +64% synergy
Lilysplash Mentor
65% of 1155 decks +63% synergy
Clifftop Lookout
65% of 1231 decks +63% synergy
Yargle and Multani
64% of 494 decks +62% synergy
Frogify
63% of 2975 decks +62% synergy
Dreamdew Entrancer
63% of 1149 decks +62% synergy
Valley Mightcaller
63% of 1223 decks +62% synergy
Sunshower Druid
62% of 1270 decks +62% synergy
Rampant Frogantua
61% of 1396 decks +60% synergy
Game Changers
Demonic Tutor
24% of 832 decks +3% synergy
Vampiric Tutor
23% of 832 decks +6% synergy
Thassa's Oracle
20% of 2975 decks +13% synergy
Imperial Seal
15% of 832 decks +10% synergy
Bolas's Citadel
7% of 832 decks -1% synergy
Opposition Agent
7% of 832 decks +0% synergy
Enlightened Tutor
7% of 565 decks -11% synergy
Ancient Tomb
6% of 3582 decks -4% synergy
Chrome Mox
5% of 3582 decks -1% synergy
Jeska's Will
5% of 549 decks -11% synergy
Creatures
Galloping Lizrog
60% of 2494 decks +60% synergy
Flockchaser Phantom
59% of 429 decks +58% synergy
Uurg, Spawn of Turg
56% of 494 decks +55% synergy
Trollbred Guardian
54% of 2669 decks +54% synergy
The Gitrog Monster
51% of 494 decks +46% synergy
Saint Traft and Rem Karolus
51% of 355 decks +50% synergy
Dour Port-Mage
50% of 1314 decks +47% synergy
Three Tree Scribe
50% of 1223 decks +49% synergy
Burrog Befuddler
49% of 2975 decks +49% synergy
Clement, the Worrywort
49% of 1155 decks +48% synergy
Papercraft Decoy
48% of 3582 decks +48% synergy
Mistbreath Elder
45% of 1231 decks +44% synergy
Bellowing Crier
44% of 1314 decks +44% synergy
Kykar, Wind's Fury
44% of 355 decks +39% synergy
Stickytongue Sentinel
44% of 1216 decks +43% synergy
The Gitrog, Ravenous Ride
43% of 273 decks +41% synergy
Leapfrog
42% of 2975 decks +42% synergy
Joyful Stormsculptor
41% of 452 decks +41% synergy
Murkfiend Liege
41% of 2494 decks +37% synergy
Twenty-Toed Toad
41% of 1304 decks +39% synergy
Psychic Frog
41% of 297 decks +39% synergy
Venerated Loxodon
40% of 565 decks +40% synergy
Laboratory Maniac
40% of 2975 decks +35% synergy
Bloated Toad
40% of 2669 decks +40% synergy
Infestation Sage
40% of 260 decks +39% synergy
Yargle, Glutton of Urborg
40% of 832 decks +39% synergy
Whiptongue Frog
39% of 2975 decks +39% synergy
Doc Aurlock, Grizzled Genius
39% of 1501 decks +36% synergy
Knight-Errant of Eos
39% of 565 decks +38% synergy
Excavating Anurid
38% of 2669 decks +38% synergy
Splash Lasher
38% of 1329 decks +38% synergy
Steeple Creeper
37% of 2494 decks +37% synergy
Seraph of the Masses
36% of 565 decks +36% synergy
Treeguard Duo
36% of 1216 decks +35% synergy
Species Gorger
35% of 2494 decks +35% synergy
Willow Geist
34% of 2669 decks +34% synergy
Skyskipper Duo
34% of 1292 decks +34% synergy
Spring Splasher
34% of 1742 decks +33% synergy
Popular Egotist
33% of 342 decks +33% synergy
Pollywog Prodigy
33% of 1304 decks +29% synergy
Chub Toad
33% of 2669 decks +33% synergy
Unwilling Ingredient
32% of 832 decks +32% synergy
Vengeful Bloodwitch
32% of 375 decks +30% synergy
Octomancer
31% of 1119 decks +29% synergy
Frogmite
31% of 3582 decks +31% synergy
Ozox, the Clattering King
31% of 267 decks +31% synergy
Warren Soultrader
31% of 493 decks +25% synergy
Waterspout Warden
30% of 1329 decks +30% synergy
Deranged Assistant
30% of 2975 decks +30% synergy
Millikin
30% of 3582 decks +29% synergy
Instants
Turn to Frog
49% of 2975 decks +48% synergy
Polymorphist's Jest
48% of 2975 decks +47% synergy
Polliwallop
46% of 1230 decks +46% synergy
Stoke the Flames
45% of 549 decks +45% synergy
Devouring Light
43% of 565 decks +42% synergy
Cut Short
43% of 565 decks +42% synergy
Ephemeral Shields
43% of 565 decks +42% synergy
Counterspell
41% of 2975 decks -2% synergy
Swords to Plowshares
41% of 565 decks -22% synergy
Growth Spiral
39% of 2494 decks +17% synergy
Rapid Hybridization
39% of 2975 decks +30% synergy
Shatter the Source
36% of 549 decks +36% synergy
Dark Ritual
32% of 832 decks +9% synergy
Clever Concealment
32% of 565 decks +28% synergy
Chant of Vitu-Ghazi
30% of 565 decks +30% synergy
Thought Scour
26% of 2975 decks +24% synergy
Burning Sun's Fury
25% of 549 decks +25% synergy
Culling the Weak
25% of 832 decks +21% synergy
Songs of the Damned
24% of 832 decks +23% synergy
Otherworldly Gaze
24% of 2975 decks +23% synergy
Aerial Boost
24% of 565 decks +24% synergy
Fell the Profane
24% of 493 decks +15% synergy
Cabal Ritual
23% of 832 decks +19% synergy
Secure the Wastes
23% of 565 decks +20% synergy
Negate
22% of 2975 decks -0% synergy
Long River's Pull
22% of 1330 decks +19% synergy
Entomb
22% of 832 decks +14% synergy
Path to Exile
22% of 565 decks -25% synergy
Incubation // Incongruity
21% of 2494 decks +21% synergy
Wear // Tear
21% of 397 decks +13% synergy
Crowd's Favor
20% of 549 decks +20% synergy
Beast Within
19% of 2669 decks -18% synergy
Into the Flood Maw
15% of 1330 decks +12% synergy
Overprotect
15% of 1223 decks +12% synergy
March of the Multitudes
14% of 152 decks +11% synergy
Putrefy
14% of 494 decks -2% synergy
Biomass Mutation
13% of 2494 decks +12% synergy
Mausoleum Secrets
13% of 832 decks +12% synergy
Assassin's Trophy
13% of 494 decks -18% synergy
Heroic Intervention
13% of 2669 decks -17% synergy
Raise the Alarm
12% of 565 decks +12% synergy
Fact or Fiction
12% of 2975 decks +6% synergy
Fatal Push
12% of 832 decks +11% synergy
Cyclonic Rift
12% of 2975 decks -15% synergy
Generous Gift
12% of 565 decks -13% synergy
To Arms!
11% of 565 decks +10% synergy
Malakir Rebirth
11% of 832 decks +3% synergy
Meeting of Minds
10% of 2975 decks +9% synergy
Call the Coppercoats
9% of 565 decks +6% synergy
Filter Out
9% of 2858 decks +8% synergy
Sorceries
Cultivate
46% of 2669 decks +1% synergy
Hour of Reckoning
41% of 565 decks +37% synergy
Rampant Growth
40% of 2669 decks +5% synergy
Cut Your Losses
35% of 2975 decks +34% synergy
Triplicate Spirits
32% of 565 decks +31% synergy
Splash Portal
29% of 1320 decks +28% synergy
Reanimate
28% of 832 decks +11% synergy
Traumatize
27% of 2975 decks +26% synergy
Druidic Ritual
25% of 2669 decks +25% synergy
Kodama's Reach
24% of 2669 decks -7% synergy
Calamity of Cinders
22% of 220 decks +22% synergy
Unearth
21% of 832 decks +18% synergy
Explore
20% of 2669 decks +11% synergy
Unmarked Grave
19% of 832 decks +16% synergy
Postmortem Lunge
16% of 832 decks +16% synergy
Austere Command
16% of 565 decks +3% synergy
Mulch
16% of 2669 decks +15% synergy
Ral's Reinforcements
15% of 549 decks +15% synergy
Battle Screech
14% of 565 decks +13% synergy
Everything Comes to Dust
14% of 368 decks +13% synergy
Agadeem's Awakening
13% of 832 decks +10% synergy
Migratory Route
13% of 429 decks +12% synergy
Feed the Swarm
12% of 832 decks -5% synergy
Farseek
12% of 2669 decks -23% synergy
Diabolic Intent
12% of 832 decks +3% synergy
Nature's Lore
11% of 2669 decks -20% synergy
Distant Melody
11% of 2975 decks +7% synergy
Dragon Fodder
11% of 549 decks +9% synergy
Return to the Ranks
10% of 565 decks +10% synergy
Eerie Ultimatum
10% of 87 decks -2% synergy
Mercurial Transformation
9% of 2975 decks +9% synergy
Split Up
9% of 178 decks +7% synergy
Three Visits
8% of 2669 decks -16% synergy
Krenko's Command
8% of 549 decks +6% synergy
Temporal Cleansing
8% of 2975 decks +7% synergy
Tome Scour
8% of 2975 decks +7% synergy
Iridian Maelstrom
7% of 55 decks +5% synergy
Season of Weaving
7% of 1342 decks +5% synergy
Forbidden Friendship
7% of 549 decks +7% synergy
Lively Dirge
7% of 533 decks +5% synergy
Blasphemous Act
7% of 549 decks -26% synergy
Rally at the Hornburg
6% of 447 decks +6% synergy
Toxic Deluge
6% of 832 decks -12% synergy
Bala Ged Recovery
6% of 2669 decks -2% synergy
Kindred Dominance
6% of 832 decks +2% synergy
Victimize
6% of 832 decks -6% synergy
Faithless Looting
6% of 549 decks -10% synergy
Visions of Dominance
6% of 2669 decks +5% synergy
Portent of Calamity
6% of 1314 decks +6% synergy
Finale of Glory
6% of 565 decks +4% synergy
Utility Artifacts
Perpetual Timepiece
31% of 3582 decks +30% synergy
Swiftfoot Boots
30% of 3582 decks +2% synergy
Commander's Sphere
27% of 3582 decks +12% synergy
Desecrated Tomb
26% of 3582 decks +25% synergy
Lightning Greaves
23% of 3582 decks -2% synergy
Mesmeric Orb
22% of 3582 decks +20% synergy
Codex Shredder
22% of 3582 decks +21% synergy
Ramosian Greatsword
21% of 549 decks +21% synergy
Hedge Shredder
16% of 843 decks +13% synergy
Halo Fountain
16% of 565 decks +13% synergy
Maskwood Nexus
15% of 3582 decks +12% synergy
Herald's Horn
13% of 3582 decks +7% synergy
Mind Stone
10% of 3582 decks -6% synergy
Vanquisher's Banner
9% of 3582 decks +5% synergy
Door of Destinies
9% of 3582 decks +7% synergy
Lotus Petal
8% of 3582 decks +1% synergy
Skullclamp
7% of 3582 decks -5% synergy
Fist of Suns
7% of 55 decks +0% synergy
Dune Drifter
7% of 14 decks +7% synergy
Ghoulcaller's Bell
7% of 3582 decks +7% synergy
Elixir of Immortality
7% of 3582 decks +6% synergy
Wand of Vertebrae
7% of 3582 decks +7% synergy
Banner of Kinship
7% of 898 decks +4% synergy
Thundering Broodwagon
6% of 62 decks +6% synergy
Broodheart Engine
6% of 62 decks +6% synergy
Genesis Chamber
6% of 3582 decks +6% synergy
Palantír of Orthanc
6% of 3289 decks +5% synergy
Thousand Moons Smithy
6% of 357 decks +3% synergy
Obelisk of Urd
5% of 3582 decks +5% synergy
Horn of Valhalla
5% of 565 decks +4% synergy
Jet Medallion
5% of 3582 decks +2% synergy
Enchantments
Amphibian Downpour
46% of 1543 decks +43% synergy
Conclave Tribunal
45% of 565 decks +45% synergy
Jeskai Ascendancy
41% of 355 decks +36% synergy
Kasmina's Transmutation
41% of 2975 decks +40% synergy
City on Fire
40% of 549 decks +36% synergy
Crawling Infestation
36% of 2669 decks +35% synergy
Whirlwind of Thought
32% of 355 decks +22% synergy
Dazzling Theater // Prop Room
32% of 165 decks +28% synergy
Reflections of Littjara
31% of 2975 decks +26% synergy
Funeral Room // Awakening Hall
29% of 346 decks +27% synergy
Crawling Sensation
29% of 2669 decks +28% synergy
Impact Tremors
27% of 549 decks +17% synergy
Nest of Scarabs
24% of 832 decks +23% synergy
Bastion of Remembrance
24% of 832 decks +18% synergy
Frog Tongue
24% of 2669 decks +23% synergy
Exploration
23% of 2669 decks +14% synergy
Song of Creation
22% of 116 decks +19% synergy
Blight Mound
22% of 832 decks +21% synergy
Court of Cunning
21% of 2975 decks +19% synergy
Jace's Erasure
21% of 2975 decks +21% synergy
Bridge from Below
20% of 832 decks +20% synergy
Wild Growth
19% of 2669 decks +8% synergy
We Ride at Dawn
17% of 271 decks +17% synergy
Witness Protection
15% of 2975 decks +13% synergy
Binding the Old Gods
15% of 494 decks +9% synergy
Chronic Flooding
14% of 2975 decks +14% synergy
Prosperous Partnership
14% of 397 decks +12% synergy
Chalk Outline
13% of 1809 decks +13% synergy
Improbable Alliance
13% of 452 decks +12% synergy
Eaten by Piranhas
12% of 2242 decks +11% synergy
Gossip's Talent
12% of 1330 decks +11% synergy
Druid Class
12% of 2669 decks +9% synergy
Assemble the Legion
11% of 397 decks +7% synergy
Kindred Discovery
11% of 2975 decks +4% synergy
Conclave's Blessing
11% of 565 decks +11% synergy
Fisher's Talent
11% of 1119 decks +10% synergy
Carnival of Souls
10% of 832 decks +10% synergy
Intangible Virtue
10% of 565 decks +5% synergy
Communal Brewing
10% of 1204 decks +8% synergy
Warleader's Call
9% of 203 decks +1% synergy
Rhystic Study
9% of 2975 decks -17% synergy
Arcane Adaptation
8% of 2975 decks +7% synergy
Fortune Teller's Talent
8% of 1304 decks +7% synergy
Imprisoned in the Moon
8% of 2975 decks +4% synergy
Propaganda
8% of 2975 decks -4% synergy
Kenrith's Transformation
8% of 2669 decks +2% synergy
Utopia Sprawl
8% of 2669 decks -0% synergy
Fraying Sanity
8% of 2975 decks +7% synergy
The Tale of Tamiyo
8% of 884 decks +7% synergy
Kaya's Ghostform
7% of 832 decks +4% synergy
Battles
Invasion of Segovia
7% of 2975 decks +6% synergy
Invasion of Tolvada
6% of 121 decks +5% synergy
Invasion of Alara
5% of 55 decks +3% synergy
Planeswalkers
Jace, Wielder of Mysteries
35% of 2975 decks +32% synergy
Elspeth, Sun's Champion
20% of 565 decks +16% synergy
Tamiyo, Collector of Tales
17% of 2494 decks +15% synergy
Saheeli, Sublime Artificer
9% of 452 decks +5% synergy
Jace, the Perfected Mind
7% of 2975 decks +6% synergy
Elspeth, Storm Slayer
5% of 19 decks +3% synergy
Utility Lands
Lilypad Village
42% of 1383 decks +41% synergy
Oakhollow Village
42% of 1281 decks +40% synergy
Reliquary Tower
24% of 3582 decks -5% synergy
Kher Keep
21% of 549 decks +19% synergy
Rogue's Passage
20% of 3582 decks +1% synergy
Alchemist's Refuge
19% of 2494 decks +13% synergy
Bojuka Bog
18% of 832 decks -12% synergy
Phyrexian Tower
17% of 832 decks +8% synergy
Three Tree City
16% of 1665 decks +10% synergy
Boseiju, Who Endures
13% of 2669 decks -6% synergy
Yavimaya, Cradle of Growth
12% of 3582 decks +3% synergy
Temple of the False God
12% of 3582 decks +2% synergy
Gavony Township
11% of 152 decks +2% synergy
Vault of Whispers
11% of 832 decks +7% synergy
Spymaster's Vault
11% of 493 decks +8% synergy
Restless Vinestalk
10% of 2145 decks +8% synergy
Otawara, Soaring City
9% of 2975 decks -7% synergy
Castle Ardenvale
9% of 565 decks +4% synergy
Novijen, Heart of Progress
8% of 2494 decks +7% synergy
Takenuma, Abandoned Mire
8% of 832 decks -1% synergy
Mystic Sanctuary
8% of 2975 decks -4% synergy
Lake of the Dead
8% of 832 decks +7% synergy
Cabal Coffers
7% of 832 decks -3% synergy
Great Furnace
6% of 549 decks +1% synergy
Sokenzan, Crucible of Defiance
6% of 549 decks +2% synergy
Lumbering Falls
6% of 2494 decks +3% synergy
Ancient Den
5% of 565 decks +0% synergy
Urza's Saga
5% of 3582 decks -1% synergy
Blast Zone
5% of 3582 decks +4% synergy
Urborg, Tomb of Yawgmoth
5% of 3582 decks -4% synergy
Oran-Rief, the Vastwood
5% of 2669 decks +0% synergy
Mana Artifacts
Sol Ring
79% of 3582 decks -5% synergy
Arcane Signet
68% of 3582 decks -5% synergy
Wand of the Worldsoul
47% of 565 decks +46% synergy
Simic Signet
46% of 2494 decks +32% synergy
Talisman of Curiosity
24% of 2494 decks +11% synergy
Boros Signet
21% of 397 decks -1% synergy
Azorius Signet
20% of 429 decks -5% synergy
Izzet Signet
19% of 452 decks -9% synergy
Patchwork Banner
18% of 1640 decks +13% synergy
Talisman of Conviction
18% of 397 decks -6% synergy
Talisman of Creativity
17% of 452 decks -12% synergy
Orzhov Signet
17% of 121 decks -10% synergy
Dimir Signet
13% of 482 decks -16% synergy
Selesnya Signet
13% of 152 decks +5% synergy
Talisman of Progress
13% of 429 decks -12% synergy
Golgari Signet
12% of 494 decks -0% synergy
Thought Vessel
11% of 3582 decks -6% synergy
Fellwar Stone
11% of 3582 decks -10% synergy
Talisman of Dominance
11% of 482 decks -21% synergy
Springleaf Drum
9% of 3582 decks +7% synergy
Rakdos Signet
8% of 86 decks -21% synergy
Talisman of Impulse
8% of 137 decks -2% synergy
Gruul Signet
8% of 137 decks -4% synergy
Zagoth Crystal
7% of 387 decks +7% synergy
Fire Diamond
6% of 549 decks +1% synergy
Mox Amber
6% of 3582 decks +1% synergy
Mox Opal
5% of 3582 decks +1% synergy
Talisman of Unity
5% of 152 decks -2% synergy
Talisman of Resilience
5% of 494 decks -7% synergy
Lands
Command Tower
70% of 3582 decks -4% synergy
Mystic Monastery
53% of 355 decks +26% synergy
Simic Growth Chamber
51% of 2494 decks +32% synergy
Hinterland Harbor
49% of 2494 decks +19% synergy
Opulent Palace
47% of 387 decks +20% synergy
Temple of Mystery
45% of 2494 decks +28% synergy
Yavimaya Coast
43% of 2494 decks +16% synergy
Dreamroot Cascade
38% of 2494 decks +19% synergy
Prairie Stream
38% of 429 decks +4% synergy
Path of Ancestry
36% of 3582 decks +14% synergy
Furycalm Snarl
34% of 397 decks +20% synergy
Vineglimmer Snarl
33% of 2494 decks +22% synergy
Rejuvenating Springs
31% of 2494 decks +3% synergy
Exotic Orchard
31% of 3582 decks -5% synergy
Evolving Wilds
31% of 3582 decks +10% synergy
Port Town
30% of 429 decks +15% synergy
Temple of Enlightenment
30% of 429 decks +13% synergy
Temple of Triumph
29% of 397 decks +13% synergy
Zagoth Triome
29% of 387 decks -0% synergy
Breeding Pool
29% of 2494 decks -11% synergy
Tangled Islet
29% of 2494 decks +22% synergy
Canopy Vista
28% of 152 decks -8% synergy
Watery Grave
27% of 482 decks -13% synergy
Thornwood Falls
27% of 2494 decks +20% synergy
Frostboil Snarl
27% of 452 decks +12% synergy
Temple of Epiphany
27% of 452 decks +8% synergy
Skycloud Expanse
25% of 429 decks +12% synergy
Temple of Malady
25% of 494 decks +9% synergy
Overgrown Tomb
25% of 494 decks -17% synergy
Clifftop Retreat
25% of 397 decks -5% synergy
Flooded Grove
24% of 2494 decks +11% synergy
Raugrin Triome
24% of 355 decks -2% synergy
Hallowed Fountain
24% of 429 decks -17% synergy
Foreboding Landscape
23% of 188 decks +15% synergy
Hedge Maze
23% of 1720 decks +12% synergy
Sulfur Falls
23% of 452 decks -9% synergy
Battlefield Forge
22% of 397 decks -3% synergy
Steam Vents
22% of 452 decks -16% synergy
Shivan Reef
22% of 452 decks -5% synergy
Perilous Landscape
21% of 140 decks +14% synergy
Glacial Fortress
21% of 429 decks -7% synergy
Sacred Foundry
21% of 397 decks -15% synergy
Sunken Hollow
21% of 482 decks -14% synergy
Sea of Clouds
19% of 429 decks -7% synergy
Temple of Deceit
19% of 482 decks +3% synergy
Jungle Hollow
19% of 494 decks +10% synergy
Spectator Seating
19% of 397 decks -6% synergy
Golgari Rot Farm
19% of 494 decks +1% synergy
Selesnya Sanctuary
18% of 152 decks +4% synergy
Sandsteppe Citadel
18% of 87 decks -7% synergy