White Mana Battery (Card)
White Mana Battery
In 226 decks
0% of 2313598 decks
Psemilla, Meletian Poet
3.16% of 95 decks
3 decks
Top Commanders
Atraxa, Praetors' Voice
0.11% of 36032 decks
39 decks
Immard, the Stormcleaver
0.69% of 1160 decks
8 decks
Kenrith, the Returned King
0.03% of 22057 decks
6 decks
Hokori, Dust Drinker
0.83% of 602 decks
5 decks
Ramos, Dragon Engine
0.05% of 8730 decks
4 decks
Chromium
1.79% of 223 decks
4 decks
Sephara, Sky's Blade
0.19% of 1579 decks
3 decks
Alela, Artful Provocateur
0.02% of 12309 decks
3 decks
Palladia-Mors
1.89% of 159 decks
3 decks
Hazezon Tamar
0.56% of 533 decks
3 decks
Omnath, Locus of All
0.02% of 13826 decks
3 decks
Bright-Palm, Soul Awakener
0.06% of 3432 decks
2 decks
Zethi, Arcane Blademaster
0.03% of 6281 decks
2 decks
Treva, the Renewer
0.65% of 310 decks
2 decks
Light-Paws, Emperor's Voice
0.02% of 8358 decks
2 decks
Najeela, the Blade-Blossom
0.02% of 10938 decks
2 decks
Rubinia Soulsinger
0.27% of 744 decks
2 decks
High Synergy Cards
Dreamtide Whale
61% of 23 decks
+57% synergy
Tekuthal, Inquiry Dominus
44% of 88 decks
+42% synergy
Ezuri, Stalker of Spheres
44% of 55 decks
+40% synergy
Inexorable Tide
40% of 105 decks
+37% synergy
Flux Channeler
39% of 105 decks
+36% synergy
Dreadship Reef
36% of 77 decks
+36% synergy
Saltcrusted Steppe
36% of 83 decks
+36% synergy
Evolution Sage
38% of 80 decks
+31% synergy
Calciform Pools
31% of 107 decks
+30% synergy
Tezzeret's Gambit
30% of 105 decks
+27% synergy
Top Cards
Blue Mana Battery
82% of 122 decks
+82% synergy
Green Mana Battery
81% of 98 decks
+81% synergy
Black Mana Battery
76% of 102 decks
+76% synergy
Red Mana Battery
72% of 75 decks
+72% synergy
Swords to Plowshares
31% of 226 decks
-32% synergy
Everflowing Chalice
31% of 196 decks
+26% synergy
Astral Cornucopia
30% of 195 decks
+29% synergy
Thrummingbird
30% of 105 decks
+26% synergy
Mutational Advantage
26% of 23 decks
+20% synergy
Ripples of Potential
26% of 43 decks
+22% synergy
Creatures
Etched Slith
30% of 10 decks
+30% synergy
Cayth, Famed Mechanist
27% of 11 decks
+22% synergy
Agent Frank Horrigan
23% of 26 decks
+20% synergy
Metastatic Evangel
22% of 46 decks
+19% synergy
Vedalken Infuser
20% of 105 decks
+20% synergy
Coretapper
18% of 200 decks
+18% synergy
Deepglow Skate
18% of 105 decks
+16% synergy
Filigree Vector
16% of 133 decks
+15% synergy
Birds of Paradise
15% of 98 decks
-12% synergy
Cankerbloom
15% of 68 decks
+8% synergy
Vorinclex, Monstrous Raider
14% of 78 decks
+10% synergy
Winding Constrictor
13% of 69 decks
+9% synergy
Llanowar Elves
12% of 98 decks
-9% synergy
Vorel of the Hull Clade
12% of 66 decks
+9% synergy
Grateful Apparition
12% of 193 decks
+10% synergy
Contaminant Grafter
10% of 68 decks
+9% synergy
Apocalypse Hydra
10% of 30 decks
+9% synergy
Norn's Choirmaster
9% of 163 decks
+7% synergy
Goldberry, River-Daughter
9% of 56 decks
+8% synergy
Sun Titan
9% of 196 decks
-1% synergy
Spark Double
9% of 105 decks
+2% synergy
Etherium Sculptor
8% of 106 decks
+3% synergy
Foundry Inspector
8% of 194 decks
+4% synergy
Seedborn Muse
8% of 87 decks
-0% synergy
Atraxa, Praetors' Voice
8% of 63 decks
+4% synergy
Gold Myr
8% of 202 decks
+5% synergy
Sunastian Falconer
8% of 39 decks
+8% synergy
Johan
8% of 39 decks
+8% synergy
Viral Drake
8% of 105 decks
+7% synergy
Fyndhorn Elves
8% of 92 decks
-5% synergy
Fathom Mage
8% of 66 decks
+4% synergy
Clone
7% of 122 decks
+6% synergy
Cacophony Scamp
7% of 55 decks
+7% synergy
Meren of Clan Nel Toth
7% of 69 decks
+4% synergy
Arwen, Mortal Queen
7% of 43 decks
+5% synergy
Esper Sentinel
7% of 189 decks
-14% synergy
Surrakar Spellblade
7% of 105 decks
+7% synergy
Guildpact Informant
7% of 105 decks
+6% synergy
Crystalline Crawler
6% of 194 decks
+6% synergy
Blightbelly Rat
6% of 65 decks
+4% synergy
Ley Druid
6% of 98 decks
+6% synergy
Knight of the White Orchid
6% of 197 decks
+0% synergy
Roalesk, Apex Hybrid
6% of 66 decks
+5% synergy
Merfolk Skydiver
6% of 66 decks
+5% synergy
Adriana, Captain of the Guard
6% of 66 decks
+4% synergy
Hydroid Krasis
6% of 66 decks
+1% synergy
Gisela, Blade of Goldnight
6% of 66 decks
-0% synergy
Aurelia, the Warleader
6% of 66 decks
-1% synergy
ED-E, Lonesome Eyebot
6% of 68 decks
+6% synergy
Urza, Chief Artificer
6% of 69 decks
+4% synergy
Instants
Counterspell
25% of 122 decks
-18% synergy
Atomize
24% of 25 decks
+18% synergy
Radstorm
23% of 43 decks
+21% synergy
Experimental Augury
22% of 88 decks
+19% synergy
Fuel for the Cause
19% of 105 decks
+18% synergy
Steady Progress
19% of 105 decks
+18% synergy
Path to Exile
19% of 197 decks
-27% synergy
Disenchant
14% of 226 decks
+10% synergy
Boros Charm
14% of 66 decks
-11% synergy
Generous Gift
13% of 193 decks
-12% synergy
Serum Snare
13% of 75 decks
+12% synergy
Reject Imperfection
12% of 75 decks
+11% synergy
Chaos Warp
11% of 66 decks
-21% synergy
Fog
10% of 98 decks
+7% synergy
Brokers Confluence
10% of 62 decks
+8% synergy
Enlightened Tutor
9% of 214 decks
-8% synergy
Volt Charge
9% of 66 decks
+9% synergy
Mana Tithe
9% of 198 decks
+7% synergy
Undergrowth
9% of 35 decks
+8% synergy
Blue Sun's Zenith
9% of 105 decks
+6% synergy
Lightning Bolt
8% of 75 decks
-3% synergy
Pull from Tomorrow
8% of 105 decks
+4% synergy
Mana Drain
7% of 122 decks
-9% synergy
Whisper of the Dross
6% of 78 decks
+5% synergy
Unbounded Potential
6% of 189 decks
+6% synergy
Beast Within
6% of 81 decks
-32% synergy
Crumble
6% of 98 decks
+6% synergy
Terror
6% of 102 decks
+6% synergy
Assassin's Trophy
6% of 69 decks
-24% synergy
Sphinx's Revelation
6% of 105 decks
+3% synergy
Stroke of Midnight
6% of 105 decks
-7% synergy
Cyclonic Rift
6% of 105 decks
-22% synergy
Teferi's Protection
6% of 193 decks
-14% synergy
Dispatch
6% of 196 decks
+1% synergy
Divine Offering
5% of 226 decks
+5% synergy
Mana Leak
5% of 116 decks
+3% synergy
Mystical Tutor
5% of 116 decks
-10% synergy
Brainstorm
5% of 117 decks
-16% synergy
Return to Dust
5% of 198 decks
+1% synergy
Sorceries
Contentious Plan
23% of 105 decks
+21% synergy
Cultivate
20% of 81 decks
-26% synergy
Kodama's Reach
18% of 83 decks
-13% synergy
Thirsting Roots
18% of 68 decks
+15% synergy
Vivisurgeon's Insight
13% of 75 decks
+13% synergy
Farseek
13% of 83 decks
-21% synergy
Wrath of God
13% of 226 decks
+6% synergy
Rampant Growth
11% of 90 decks
-23% synergy
Blasphemous Act
11% of 66 decks
-23% synergy
Unnatural Restoration
10% of 68 decks
+6% synergy
Fabricate
10% of 108 decks
+4% synergy
Planewide Celebration
10% of 80 decks
+9% synergy
Nature's Lore
10% of 92 decks
-22% synergy
Untamed Wilds
9% of 98 decks
+9% synergy
Austere Command
9% of 197 decks
-4% synergy
Dismantle
9% of 67 decks
+9% synergy
Expand the Sphere
9% of 68 decks
+7% synergy
Wanderer's Strike
9% of 193 decks
+9% synergy
Desert Twister
8% of 98 decks
+8% synergy
Three Visits
8% of 89 decks
-17% synergy
Demonic Tutor
8% of 102 decks
-14% synergy
Drown in Ichor
8% of 78 decks
+5% synergy
Vandalblast
8% of 66 decks
-8% synergy
Carnivorous Canopy
7% of 68 decks
+7% synergy
Regrowth
7% of 98 decks
+4% synergy
Braingeyser
7% of 122 decks
+6% synergy
Exsanguinate
6% of 93 decks
+1% synergy
Villainous Wealth
6% of 63 decks
-2% synergy
Courage in Crisis
6% of 80 decks
+6% synergy
Faithless Looting
6% of 66 decks
-11% synergy
Finale of Revelation
6% of 105 decks
+3% synergy
Torment of Hailfire
5% of 92 decks
+1% synergy
Wheel of Fortune
5% of 75 decks
+0% synergy
Smell Fear
5% of 78 decks
+4% synergy
Utility Artifacts
Lux Cannon
21% of 196 decks
+21% synergy
Energy Chamber
19% of 199 decks
+18% synergy
Lost Jitte
17% of 54 decks
+16% synergy
Darksteel Reactor
16% of 200 decks
+16% synergy
Door to Nothingness
16% of 25 decks
+12% synergy
Magistrate's Scepter
16% of 212 decks
+15% synergy
Contagion Clasp
15% of 196 decks
+14% synergy
Power Conduit
15% of 202 decks
+14% synergy
Swiftfoot Boots
14% of 196 decks
-14% synergy
Titan Forge
14% of 196 decks
+14% synergy
Surge Node
13% of 196 decks
+13% synergy
Contagion Engine
13% of 196 decks
+12% synergy
Transmogrifying Wand
12% of 193 decks
+12% synergy
Clearwater Goblet
12% of 199 decks
+12% synergy
Golem Foundry
11% of 196 decks
+11% synergy
Orochi Hatchery
10% of 199 decks
+9% synergy
Gavel of the Righteous
9% of 181 decks
+9% synergy
Throne of Geth
9% of 196 decks
+9% synergy
Ichormoon Gauntlet
9% of 88 decks
+7% synergy
Lightning Greaves
9% of 202 decks
-16% synergy
Dragonspark Reactor
8% of 63 decks
+7% synergy
Trigon of Thought
8% of 105 decks
+8% synergy
Sword of Truth and Justice
7% of 193 decks
+6% synergy
Otherworld Atlas
7% of 195 decks
+7% synergy
Hedron Archive
7% of 195 decks
+4% synergy
Chimeric Mass
7% of 196 decks
+7% synergy
Eternity Vessel
7% of 196 decks
+7% synergy
Sigil of Distinction
7% of 197 decks
+7% synergy
Kyren Toy
7% of 212 decks
+7% synergy
Mace of the Valiant
7% of 193 decks
+6% synergy
Arcane Spyglass
6% of 200 decks
+6% synergy
Nevinyrral's Disk
6% of 226 decks
+5% synergy
Howling Mine
6% of 226 decks
+4% synergy
Shrine of Loyal Legions
6% of 196 decks
+6% synergy
Culling Dais
6% of 196 decks
+6% synergy
Recon Craft Theta
6% of 68 decks
+6% synergy
Thousand Moons Smithy
6% of 85 decks
+3% synergy
Grindclock
6% of 196 decks
+6% synergy
Pearl Medallion
6% of 214 decks
+4% synergy
Banshee's Blade
5% of 202 decks
+5% synergy
Book of Rass
5% of 225 decks
+5% synergy
Geometric Nexus
5% of 189 decks
+5% synergy
Conversion Chamber
5% of 196 decks
+5% synergy
Golden Urn
5% of 196 decks
+5% synergy
Angelheart Vial
5% of 196 decks
+5% synergy
Ratchet Bomb
5% of 196 decks
+5% synergy
Collector's Vault
5% of 99 decks
+4% synergy
Wayfarer's Bauble
5% of 199 decks
-5% synergy
Enchantments
Black Market
24% of 97 decks
+19% synergy
Mana Bloom
17% of 81 decks
+17% synergy
Druids' Repository
16% of 81 decks
+15% synergy
Doubling Season
13% of 83 decks
+4% synergy
Firemind's Research
13% of 39 decks
+12% synergy
Helix Pinnacle
12% of 82 decks
+11% synergy
Ghostly Prison
12% of 199 decks
+1% synergy
Smothering Tithe
11% of 193 decks
-13% synergy
Warleader's Call
10% of 30 decks
-1% synergy
Land Tax
10% of 226 decks
+3% synergy
Simic Ascendancy
9% of 66 decks
+4% synergy
Rhystic Study
9% of 113 decks
-19% synergy
Mana Cache
9% of 69 decks
+9% synergy
All Will Be One
9% of 58 decks
+6% synergy
As Foretold
9% of 105 decks
+7% synergy
Iceberg
9% of 117 decks
+9% synergy
Virtue of Strength
8% of 36 decks
+5% synergy
Wild Growth
8% of 98 decks
-3% synergy
Brokers Ascendancy
8% of 62 decks
+1% synergy
Mana Flare
8% of 75 decks
+7% synergy
Mirari's Wake
8% of 88 decks
-6% synergy
Ominous Seas
8% of 102 decks
+5% synergy
Resourceful Defense
8% of 181 decks
+7% synergy
Assemble the Legion
8% of 66 decks
+3% synergy
Sylvan Library
7% of 98 decks
-4% synergy
Mind Unbound
7% of 105 decks
+6% synergy
Descent into Avernus
6% of 63 decks
+3% synergy
Dog Umbra
6% of 48 decks
+5% synergy
Fiery Emancipation
6% of 64 decks
+3% synergy
Spirit Link
6% of 226 decks
+5% synergy
City on Fire
6% of 49 decks
+1% synergy
Propaganda
6% of 116 decks
-6% synergy
Ion Storm
6% of 67 decks
+6% synergy
Control Magic
6% of 122 decks
+5% synergy
Dawn of a New Age
6% of 109 decks
+4% synergy
Mesmerizing Dose
5% of 75 decks
+5% synergy
Anointed Procession
5% of 194 decks
-4% synergy
Flowering of the White Tree
5% of 117 decks
-1% synergy
Regeneration
5% of 98 decks
+5% synergy
Lure
5% of 98 decks
+4% synergy
Instill Energy
5% of 98 decks
+4% synergy
Planeswalkers
Vraska, Betrayal's Sting
14% of 78 decks
+11% synergy
Ajani, the Greathearted
8% of 80 decks
+4% synergy
Vraska, Relic Seeker
6% of 69 decks
+5% synergy
Tezzeret, Artifice Master
6% of 105 decks
+5% synergy
Ajani, Sleeper Agent
5% of 75 decks
+3% synergy
Utility Lands
Karn's Bastion
24% of 193 decks
+19% synergy
Rushwood Grove
22% of 89 decks
+22% synergy
Hollow Trees
22% of 96 decks
+22% synergy
Hickory Woodlot
21% of 89 decks
+21% synergy
Bottomless Vault
21% of 100 decks
+21% synergy
Subterranean Hangar
21% of 97 decks
+21% synergy
Peat Bog
21% of 97 decks
+20% synergy
Saprazzan Cove
20% of 114 decks
+20% synergy
Sand Silos
20% of 120 decks
+20% synergy
Saprazzan Skerry
19% of 114 decks
+19% synergy
Fountain of Cho
16% of 212 decks
+16% synergy
Icatian Store
15% of 222 decks
+15% synergy
Mage-Ring Network
14% of 195 decks
+14% synergy
Remote Farm
13% of 212 decks
+13% synergy
Reliquary Tower
13% of 197 decks
-17% synergy
Nesting Grounds
13% of 191 decks
+11% synergy
Castle Ardenvale
11% of 193 decks
+6% synergy
Dwarven Hold
11% of 74 decks
+11% synergy
Mercadian Bazaar
10% of 69 decks
+10% synergy
Fungal Reaches
10% of 31 decks
+9% synergy
Molten Slagheap
10% of 31 decks
+9% synergy
Ancient Den
9% of 202 decks
+4% synergy
Diamond City
9% of 68 decks
+8% synergy
Blast Zone
9% of 193 decks
+7% synergy
Bojuka Bog
9% of 93 decks
-22% synergy
Darksteel Citadel
8% of 200 decks
+4% synergy
Seat of the Synod
7% of 108 decks
+1% synergy
Sandstone Needle
7% of 69 decks
+7% synergy
Pendelhaven
7% of 98 decks
+7% synergy
Windbrisk Heights
7% of 197 decks
+2% synergy
Karoo
7% of 214 decks
+6% synergy
The Fair Basilica
7% of 148 decks
+6% synergy
Monumental Henge
7% of 46 decks
+3% synergy
Urza's Power Plant
6% of 226 decks
+4% synergy
Urza's Tower
6% of 226 decks
+4% synergy
Buried Ruin
6% of 196 decks
+1% synergy
Castle Embereth
6% of 66 decks
+2% synergy
Fomori Vault
6% of 50 decks
+4% synergy
Ruins of Trokair
6% of 222 decks
+6% synergy
Temple of the False God
6% of 206 decks
-4% synergy
Forgotten Cave
6% of 69 decks
+1% synergy
Maze of Ith
6% of 225 decks
+3% synergy
Urza's Mine
6% of 226 decks
+4% synergy
Secluded Steppe
6% of 209 decks
+3% synergy
Inventors' Fair
6% of 194 decks
+2% synergy
Academy Ruins
6% of 107 decks
+1% synergy
The Autonomous Furnace
5% of 55 decks
+5% synergy
The Surgical Bay
5% of 75 decks
+5% synergy
Vault of Whispers
5% of 94 decks
+1% synergy
Mana Artifacts
Sol Ring
53% of 226 decks
-31% synergy
Arcane Signet
43% of 193 decks
-29% synergy
Boros Signet
27% of 67 decks
+4% synergy
Marble Diamond
25% of 214 decks
+21% synergy
Commander's Sphere
24% of 195 decks
+8% synergy
Empowered Autogenerator
23% of 193 decks
+23% synergy
Altar of Shadows
19% of 94 decks
+19% synergy
Fellwar Stone
17% of 225 decks
-4% synergy
Pentad Prism
17% of 199 decks
+17% synergy
Coalition Relic
17% of 198 decks
+16% synergy
Replicating Ring
15% of 190 decks
+13% synergy
Gemstone Array
15% of 199 decks
+14% synergy
Fire Diamond
14% of 70 decks
+9% synergy
Vulshok Factory
14% of 58 decks
+14% synergy
Hourglass of the Lost
14% of 44 decks
+13% synergy
Timeless Lotus
14% of 22 decks
-0% synergy
Mind Stone
14% of 214 decks
-4% synergy
Gruul Signet
13% of 31 decks
+1% synergy
Izzet Signet
12% of 40 decks
-16% synergy
Charcoal Diamond
12% of 98 decks
+7% synergy
Moss Diamond
12% of 90 decks
+11% synergy
Azorius Signet
12% of 107 decks
-14% synergy
Tooth of Ramos
12% of 212 decks
+12% synergy
Orzhov Signet
11% of 94 decks
-16% synergy
Obelisk of Naya
10% of 30 decks
+10% synergy
Glistening Sphere
10% of 163 decks
+9% synergy
Chromatic Lantern
9% of 195 decks
-1% synergy
Thought Vessel
9% of 195 decks
-8% synergy
Talisman of Progress
8% of 108 decks
-15% synergy
Wand of the Worldsoul
8% of 133 decks
+7% synergy
Dimir Signet
8% of 77 decks
-22% synergy
Sky Diamond
8% of 116 decks
+3% synergy
Thunder Totem
8% of 198 decks
+8% synergy
Boros Locket
8% of 66 decks
+7% synergy
Talisman of Conviction
8% of 66 decks
-16% synergy
Mana Vault
7% of 226 decks
+1% synergy
Vexing Puzzlebox
7% of 180 decks
+6% synergy
Worn Powerstone
7% of 213 decks
+4% synergy
Talisman of Dominance
6% of 77 decks
-25% synergy
Orzhov Keyrune
6% of 93 decks
+6% synergy
Orzhov Cluestone
6% of 93 decks
+6% synergy
Gilded Lotus
6% of 202 decks
+3% synergy
Cursed Mirror
6% of 64 decks
+1% synergy
Basalt Monolith
6% of 226 decks
+4% synergy
Sphere of the Suns
6% of 196 decks
+6% synergy
Boros Cluestone
6% of 66 decks
+5% synergy
Talisman of Curiosity
6% of 66 decks
-6% synergy
Staff of Compleation
6% of 163 decks
+4% synergy
Thran Dynamo
5% of 212 decks
+0% synergy
Lands
Command Tower
45% of 196 decks
-29% synergy
Vivid Grove
40% of 82 decks
+39% synergy
Vivid Creek
40% of 106 decks
+38% synergy
Vivid Marsh
39% of 93 decks
+38% synergy
Vivid Meadow
26% of 197 decks
+25% synergy
The World Tree
23% of 22 decks
-11% synergy
Raugrin Triome
22% of 37 decks
-5% synergy
Wind-Scarred Crag
18% of 66 decks
+12% synergy
Clifftop Retreat
18% of 66 decks
-11% synergy
Ketria Triome
18% of 22 decks
-14% synergy
Zagoth Triome
18% of 61 decks
-12% synergy
Boros Garrison
18% of 67 decks
+3% synergy
Slagwoods Bridge
18% of 28 decks
+15% synergy
Savai Triome
18% of 28 decks
-9% synergy
Spara's Headquarters
18% of 62 decks
-14% synergy
Vivid Crag
17% of 66 decks
+16% synergy
Gruul Guildgate
17% of 30 decks
+12% synergy
Boros Guildgate
17% of 66 decks
+12% synergy
Indatha Triome
16% of 67 decks
-14% synergy
Arcane Sanctum
16% of 76 decks
-12% synergy
Mirrodin's Core
16% of 200 decks
+15% synergy
Raffine's Tower
15% of 71 decks
-12% synergy
Razortide Bridge
14% of 101 decks
+7% synergy
Mistvault Bridge
14% of 73 decks
+9% synergy
Tendo Ice Bridge
14% of 199 decks
+13% synergy
Seaside Citadel
13% of 67 decks
-13% synergy
Rakdos Guildgate
13% of 30 decks
+9% synergy
Evolving Wilds
13% of 196 decks
-8% synergy
Orzhov Guildgate
13% of 93 decks
+8% synergy
Taiga
13% of 39 decks
-0% synergy
Exotic Orchard
13% of 197 decks
-23% synergy
Abstergo Entertainment
12% of 24 decks
+11% synergy
Thriving Bluff
12% of 64 decks
+10% synergy
Sundown Pass
12% of 64 decks
-3% synergy
Goldmire Bridge
12% of 89 decks
+7% synergy
Hallowed Fountain
12% of 107 decks
-28% synergy
Temple of Triumph
12% of 66 decks
-5% synergy
Sacred Foundry
12% of 67 decks
-24% synergy
Manor Gate
12% of 76 decks
+10% synergy
Thriving Grove
12% of 78 decks
+9% synergy
Selesnya Guildgate
11% of 81 decks
+6% synergy
Rustvale Bridge
11% of 64 decks
+6% synergy
Needleverge Pathway
11% of 64 decks
+2% synergy
Spectator Seating
11% of 64 decks
-14% synergy
Myriad Landscape
11% of 195 decks
-9% synergy
Drossforge Bridge
11% of 28 decks
+7% synergy
Underground Sea
11% of 84 decks
-4% synergy
Tundra
11% of 122 decks
-3% synergy
Black Dragon Gate
10% of 86 decks
+9% synergy
Watery Grave
10% of 77 decks
-30% synergy