Planar Cleansing (Card)

Planar Cleansing
In 8912 decks 0% of 2206727 decks
Trent Trombley
Oct 7, 2021
Reconstruct History — White Board Wipes
Have these board wipes gotten more or less popular over time?
DougY
Sep 14, 2020
Zendikar Rising Set Review - White
Let's check out the best new white cards from Zendikar Rising!
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Avacyn, Angel of Hope
38.51% of 2763 decks 1064 decks
Zurgo Helmsmasher
9.05% of 4389 decks 397 decks
Child of Alara
6.13% of 5025 decks 308 decks
Noyan Dar, Roil Shaper
22.20% of 1230 decks 273 decks
Giada, Font of Hope
1.31% of 16553 decks 217 decks
Kaalia of the Vast
0.81% of 20195 decks 163 decks
Sliver Hivelord
4.33% of 2679 decks 116 decks
Oloro, Ageless Ascetic
0.86% of 12127 decks 104 decks
Karametra, God of Harvests
2.03% of 4588 decks 93 decks
Atla Palani, Nest Tender
0.60% of 15122 decks 90 decks
Gerrard, Weatherlight Hero
20.10% of 408 decks 82 decks
Grand Arbiter Augustin IV
1.01% of 7099 decks 72 decks
Kenrith, the Returned King
0.33% of 21513 decks 71 decks
Omnath, Locus of Creation
0.49% of 13596 decks 67 decks
Gishath, Sun's Avatar
0.36% of 18817 decks 67 decks
Liesa, Shroud of Dusk
0.64% of 9374 decks 60 decks
Omnath, Locus of All
0.46% of 12969 decks 60 decks
Atraxa, Praetors' Voice
0.17% of 35211 decks 60 decks
New Cards
Sanguine Syphoner
75% of 4 decks +55% synergy
Dazzling Angel
53% of 19 decks +12% synergy
Blasphemous Edict
42% of 12 decks +7% synergy
Leyline of Mutation
28% of 18 decks +10% synergy
Enduring Vitality
25% of 67 decks +0% synergy
High Synergy Cards
Hour of Revelation
29% of 8773 decks +28% synergy
Wrath of God
31% of 8911 decks +24% synergy
Cleansing Nova
25% of 8741 decks +22% synergy
Day of Judgment
23% of 8911 decks +21% synergy
Akroma's Vengeance
21% of 8911 decks +20% synergy
Refute
24% of 17 decks +18% synergy
Exterminatus
18% of 2407 decks +17% synergy
Fumigate
20% of 8803 decks +17% synergy
Austere Command
28% of 8911 decks +15% synergy
Starfall Invocation
20% of 818 decks +15% synergy
Top Cards
Swords to Plowshares
49% of 8911 decks -14% synergy
Cultivate
47% of 3088 decks +0% synergy
Counterspell
40% of 3044 decks -3% synergy
Path to Exile
38% of 8911 decks -7% synergy
Rampant Growth
33% of 3088 decks -2% synergy
Kodama's Reach
30% of 3088 decks -1% synergy
Swiftfoot Boots
29% of 8908 decks +2% synergy
Farseek
29% of 3088 decks -5% synergy
Ruinous Ultimatum
27% of 1767 decks +9% synergy
Blasphemous Act
26% of 3318 decks -8% synergy
Creatures
High-Society Hunter
25% of 12 decks +18% synergy
Homunculus Horde
20% of 15 decks +14% synergy
High Fae Trickster
20% of 15 decks +11% synergy
Solemn Simulacrum
20% of 8912 decks +6% synergy
Skyknight Squire
17% of 35 decks +7% synergy
Bloodthirsty Conqueror
17% of 18 decks +2% synergy
Vanguard Seraph
16% of 19 decks +4% synergy
Sun Titan
16% of 8911 decks +5% synergy
Herald of Eternal Dawn
15% of 86 decks +11% synergy
Hare Apparent
14% of 35 decks -22% synergy
Eternal Witness
14% of 3088 decks -7% synergy
Exemplar of Light
13% of 67 decks +3% synergy
Kutzil, Malamet Exemplar
13% of 977 decks -6% synergy
Sakura-Tribe Elder
13% of 3088 decks -5% synergy
Knight of the White Orchid
13% of 8911 decks +7% synergy
Emeria Shepherd
13% of 8838 decks +10% synergy
Esper Sentinel
12% of 8203 decks -8% synergy
Burnished Hart
12% of 8885 decks +8% synergy
Birds of Paradise
12% of 3088 decks -15% synergy
Tatyova, Benthic Druid
12% of 1518 decks -0% synergy
Llanowar Elves
12% of 3088 decks -9% synergy
Grand Abolisher
11% of 8907 decks +2% synergy
Silent Hallcreeper
11% of 92 decks +3% synergy
Giada, Font of Hope
11% of 7672 decks +10% synergy
Lyra Dawnbringer
11% of 8754 decks +9% synergy
Aurelia, the Warleader
10% of 3311 decks +3% synergy
Elas il-Kor, Sadistic Pilgrim
10% of 2598 decks -1% synergy
Starnheim Aspirant
10% of 8313 decks +9% synergy
Avacyn, Angel of Hope
10% of 8901 decks +6% synergy
Magus of the Disk
10% of 8911 decks +10% synergy
Blood Artist
10% of 3310 decks -2% synergy
Ghalta and Mavren
10% of 1861 decks +3% synergy
Sunblast Angel
9% of 8911 decks +8% synergy
Avacyn's Pilgrim
9% of 3086 decks -6% synergy
Gisela, Blade of Goldnight
9% of 3315 decks +3% synergy
Etali, Primal Conqueror
9% of 959 decks -3% synergy
Sephara, Sky's Blade
9% of 8631 decks +6% synergy
Kona, Rescue Beastie
9% of 67 decks +1% synergy
Valgavoth, Terror Eater
9% of 136 decks +3% synergy
Herald of War
9% of 8901 decks +7% synergy
Rampaging Baloths
9% of 3088 decks +2% synergy
Zacama, Primal Calamity
9% of 1633 decks -0% synergy
Enduring Curiosity
9% of 116 decks -2% synergy
Deathbringer Regent
9% of 3291 decks +8% synergy
Elvish Mystic
9% of 3080 decks -9% synergy
Clifftop Lookout
9% of 257 decks +5% synergy
Etali, Primal Storm
9% of 3256 decks -1% synergy
Barbed Servitor
8% of 848 decks +8% synergy
Linvala, Keeper of Silence
8% of 8911 decks +6% synergy
Mother of Runes
8% of 8911 decks +2% synergy
Instants
Negate
24% of 3044 decks +2% synergy
Boros Charm
21% of 3311 decks -4% synergy
Growth Spiral
20% of 1510 decks -1% synergy
Brainstorm
20% of 3044 decks -1% synergy
Generous Gift
20% of 8658 decks -6% synergy
Beast Within
19% of 3088 decks -19% synergy
Mortify
18% of 3313 decks +6% synergy
Dovin's Veto
17% of 2938 decks -2% synergy
Cyclonic Rift
17% of 3040 decks -11% synergy
Teferi's Protection
17% of 8770 decks -3% synergy
Fleeting Flight
16% of 19 decks +3% synergy
Planar Genesis
16% of 197 decks +8% synergy
Heroic Intervention
16% of 3050 decks -14% synergy
Utter End
16% of 3293 decks +9% synergy
Despark
15% of 3212 decks -1% synergy
Return to Dust
15% of 8911 decks +11% synergy
Arcane Epiphany
14% of 21 decks +14% synergy
Anguished Unmaking
14% of 3281 decks -10% synergy
Opt
12% of 3044 decks +3% synergy
Enlightened Tutor
12% of 8911 decks -6% synergy
Terminate
12% of 1868 decks -9% synergy
Divine Resilience
12% of 50 decks +8% synergy
Dawn's Truce
12% of 818 decks -5% synergy
Arcane Denial
11% of 3044 decks -8% synergy
Rewind
11% of 3044 decks +8% synergy
Chaos Warp
11% of 3318 decks -21% synergy
Disenchant
11% of 8911 decks +8% synergy
Final Showdown
11% of 1926 decks +8% synergy
Harrow
11% of 3088 decks +1% synergy
Thrill of Possibility
11% of 3171 decks +0% synergy
Stroke of Midnight
10% of 3760 decks -2% synergy
Crackling Doom
10% of 1861 decks +2% synergy
Void Rend
10% of 1282 decks -5% synergy
Seized from Slumber
10% of 110 decks +4% synergy
Vampiric Tutor
10% of 3313 decks -9% synergy
Frantic Search
10% of 3044 decks -3% synergy
Dark Ritual
9% of 3313 decks -13% synergy
Unwind
9% of 2974 decks +6% synergy
Mystical Tutor
9% of 3044 decks -6% synergy
Naya Charm
9% of 1662 decks +2% synergy
Sphinx's Revelation
9% of 3039 decks +6% synergy
Fact or Fiction
9% of 3044 decks +2% synergy
Crop Rotation
9% of 3088 decks -1% synergy
Render Silent
8% of 3033 decks +6% synergy
Flare of Fortitude
8% of 1448 decks +2% synergy
Glimmerburst
8% of 36 decks -0% synergy
Rebuff the Wicked
8% of 8911 decks +6% synergy
Reprieve
8% of 5295 decks +3% synergy
Fated Retribution
8% of 8878 decks +7% synergy
Putrefy
8% of 1381 decks -8% synergy
Sorceries
Supreme Verdict
25% of 3039 decks +11% synergy
Preposterous Proportions
21% of 14 decks +15% synergy
Damn
21% of 3030 decks +4% synergy
Damnation
18% of 3313 decks +10% synergy
Merciless Eviction
17% of 3306 decks +13% synergy
Nature's Lore
17% of 3088 decks -15% synergy
Vanquish the Horde
17% of 8040 decks +13% synergy
Farewell
16% of 7819 decks +3% synergy
Kaya's Wrath
16% of 3228 decks +13% synergy
Diabolic Tutor
15% of 3313 decks +9% synergy
Split Up
15% of 370 decks +11% synergy
Time Wipe
15% of 2938 decks +8% synergy
Doomskar
15% of 8313 decks +13% synergy
Harmonize
14% of 3088 decks +5% synergy
Ondu Inversion
14% of 8409 decks +12% synergy
Deadly Tempest
14% of 3286 decks +12% synergy
Demonic Tutor
14% of 3313 decks -9% synergy
Rout
13% of 8911 decks +12% synergy
Armageddon
13% of 8911 decks +12% synergy
Ponder
12% of 3044 decks -1% synergy
Preordain
12% of 3044 decks +1% synergy
Explore
12% of 3088 decks +3% synergy
Phyrexian Rebirth
12% of 8910 decks +10% synergy
Three Visits
12% of 3088 decks -13% synergy
Eerie Ultimatum
11% of 1301 decks -1% synergy
Read the Bones
11% of 3301 decks +3% synergy
Shatter the Sky
10% of 8544 decks +10% synergy
Decree of Pain
10% of 3313 decks +8% synergy
Circuitous Route
10% of 3027 decks +8% synergy
Chain Reaction
10% of 3318 decks +5% synergy
Sign in Blood
10% of 3313 decks +0% synergy
Shamanic Revelation
10% of 3069 decks +0% synergy
Skyshroud Claim
10% of 3088 decks +0% synergy
Planar Outburst
10% of 8838 decks +9% synergy
Martial Coup
10% of 8911 decks +6% synergy
End Hostilities
10% of 8864 decks +9% synergy
Vandalblast
9% of 3316 decks -7% synergy
Tempt with Discovery
9% of 3077 decks +6% synergy
For the Common Good
9% of 208 decks +4% synergy
Explosive Vegetation
9% of 3088 decks +6% synergy
Sylvan Scrying
9% of 3088 decks +6% synergy
Devastation Tide
9% of 3040 decks +7% synergy
Vindicate
9% of 3313 decks +2% synergy
Devastating Mastery
8% of 8253 decks +8% synergy
The Nipton Lottery
8% of 390 decks +7% synergy
Treasure Cruise
8% of 3027 decks +3% synergy
Raise the Past
8% of 50 decks -7% synergy
White Sun's Twilight
8% of 5927 decks +4% synergy
Faithless Looting
8% of 3316 decks -9% synergy
Urban Evolution
8% of 1540 decks +3% synergy
Utility Artifacts
Lightning Greaves
21% of 8912 decks -4% synergy
Nevinyrral's Disk
16% of 8912 decks +15% synergy
Worldslayer
13% of 8912 decks +12% synergy
Pearl Medallion
12% of 8912 decks +10% synergy
Celestial Armor
12% of 50 decks +7% synergy
Wayfarer's Bauble
11% of 8912 decks +1% synergy
Banner of Kinship
10% of 50 decks -1% synergy
Door to Nothingness
9% of 1024 decks +5% synergy
Archaeomancer's Map
9% of 8253 decks +5% synergy
Oketra's Monument
8% of 8782 decks +6% synergy
Marina Vendrell's Grimoire
8% of 92 decks +6% synergy
Sword of the Animist
7% of 8842 decks +2% synergy
Bolas's Citadel
7% of 3212 decks -3% synergy
Conduit of Worlds
6% of 2025 decks -0% synergy
Skullclamp
6% of 8912 decks -6% synergy
Herald's Horn
6% of 8771 decks -0% synergy
The One Ring
6% of 5315 decks -3% synergy
Shadowspear
6% of 8545 decks +2% synergy
Sunforger
5% of 3317 decks +0% synergy
Blackblade Reforged
5% of 8755 decks +1% synergy
Whispersilk Cloak
5% of 8912 decks +1% synergy
Fist of Suns
5% of 1024 decks -2% synergy
Mithril Coat
5% of 4155 decks -1% synergy
Enchantments
Walk-In Closet // Forgotten Cellar
25% of 40 decks -2% synergy
Dazzling Theater // Prop Room
24% of 133 decks -9% synergy
Smothering Tithe
23% of 8702 decks -2% synergy
Leyline of the Guildpact
21% of 213 decks -3% synergy
Roaring Furnace // Steaming Sauna
17% of 18 decks +0% synergy
Ghostly Prison
16% of 8911 decks +5% synergy
Rhystic Study
15% of 3044 decks -13% synergy
Phyrexian Arena
14% of 3313 decks -0% synergy
Annie Joins Up
14% of 322 decks -5% synergy
Land Tax
14% of 8911 decks +7% synergy
Propaganda
13% of 3044 decks +2% synergy
Mirari's Wake
13% of 3088 decks -1% synergy
Sanguine Bond
10% of 3313 decks +5% synergy
Rhythm of the Wild
10% of 1624 decks -13% synergy
Moldering Gym // Weight Room
10% of 52 decks +3% synergy
Grievous Wound
9% of 106 decks +6% synergy
Spelunking
9% of 1088 decks +4% synergy
Restricted Office // Lecture Hall
9% of 69 decks -5% synergy
Garruk's Uprising
9% of 2904 decks -7% synergy
Stocking the Pantry
8% of 171 decks +5% synergy
Smoky Lounge // Misty Salon
8% of 39 decks +2% synergy
Trouble in Pairs
8% of 2184 decks +0% synergy
Blind Obedience
7% of 8896 decks +1% synergy
Lunar Convocation
7% of 205 decks -0% synergy
Mystic Remora
7% of 3044 decks -11% synergy
Court of Grace
7% of 8365 decks +4% synergy
Whirlwind of Thought
7% of 1284 decks -4% synergy
Caretaker's Talent
7% of 511 decks -7% synergy
Exquisite Blood
7% of 3310 decks +2% synergy
Innkeeper's Talent
7% of 257 decks -3% synergy
Funeral Room // Awakening Hall
7% of 106 decks +1% synergy
Unable to Scream
7% of 76 decks +2% synergy
Aura Shards
7% of 3088 decks -3% synergy
Authority of the Consuls
7% of 8803 decks +2% synergy
Sheltered by Ghosts
7% of 169 decks -4% synergy
Felidar Retreat
6% of 8409 decks -1% synergy
True Conviction
6% of 8911 decks +4% synergy
Exploration
6% of 3088 decks -2% synergy
Oblivion Ring
6% of 8911 decks +5% synergy
Guardian Project
6% of 3020 decks -3% synergy
Maelstrom Nexus
6% of 1024 decks -2% synergy
Valkyrie's Call
6% of 67 decks +2% synergy
Doubling Season
6% of 3088 decks -3% synergy
Darksteel Mutation
6% of 8879 decks -0% synergy
Meathook Massacre II
6% of 106 decks +1% synergy
Rising of the Day
6% of 1627 decks -0% synergy
Unholy Annex // Ritual Chamber
5% of 73 decks -0% synergy
Sylvan Library
5% of 3088 decks -6% synergy
Bottomless Pool // Locker Room
5% of 92 decks +1% synergy
Flowering of the White Tree
5% of 4297 decks -1% synergy
Battles
Invasion of Fiora
6% of 1729 decks +5% synergy
Planeswalkers
Elspeth, Sun's Champion
8% of 8884 decks +3% synergy
Narset, Parter of Veils
7% of 2939 decks +1% synergy
Dihada, Binder of Wills
6% of 1437 decks +1% synergy
Teferi, Time Raveler
5% of 2938 decks -1% synergy
The Eternal Wanderer
5% of 5927 decks +1% synergy
Utility Lands
Reliquary Tower
21% of 8912 decks -9% synergy
Temple of the False God
18% of 8912 decks +8% synergy
Bojuka Bog
18% of 3313 decks -13% synergy
Rogue's Passage
15% of 8901 decks -4% synergy
Restless Anchorage
14% of 957 decks +11% synergy
Emeria, the Sky Ruin
11% of 8911 decks +8% synergy
Sunhome, Fortress of the Legion
11% of 3317 decks +5% synergy
Minas Tirith
10% of 4488 decks +0% synergy
Restless Spire
9% of 487 decks +7% synergy
Nykthos, Shrine to Nyx
9% of 8885 decks +4% synergy
Celestial Colonnade
9% of 3043 decks +8% synergy
Seraph Sanctuary
9% of 8902 decks +8% synergy
Mystic Sanctuary
9% of 2899 decks -3% synergy
War Room
8% of 8366 decks +2% synergy
Restless Vinestalk
8% of 558 decks +5% synergy
Restless Cottage
8% of 514 decks +3% synergy
Restless Bivouac
8% of 1329 decks +5% synergy
Restless Vents
8% of 580 decks +5% synergy
Vault of the Archangel
8% of 3310 decks -3% synergy
Restless Fortress
8% of 1327 decks +4% synergy
Darksteel Citadel
8% of 8912 decks +4% synergy
Secluded Steppe
8% of 8911 decks +4% synergy
Restless Ridgeline
8% of 585 decks +4% synergy
Three Tree City
7% of 872 decks -3% synergy
Gavony Township
7% of 3086 decks -2% synergy
Restless Prairie
7% of 1088 decks +4% synergy
Mosswort Bridge
7% of 3088 decks -4% synergy
Restless Reef
6% of 400 decks +3% synergy
Slayers' Stronghold
6% of 3315 decks -0% synergy
Faerie Conclave
6% of 3044 decks +5% synergy
Shambling Vent
6% of 3287 decks +4% synergy
Eiganjo, Seat of the Empire
6% of 7819 decks -3% synergy
Castle Ardenvale
6% of 8597 decks +0% synergy
Hall of Storm Giants
6% of 2722 decks +5% synergy
Boseiju, Who Endures
6% of 2694 decks -14% synergy
Needle Spires
6% of 3287 decks +4% synergy
Ancient Tomb
6% of 8912 decks -5% synergy
Stirring Wildwood
6% of 3088 decks +4% synergy
Arena of Glory
5% of 504 decks -4% synergy
Kessig Wolf Run
5% of 1662 decks -11% synergy
Monumental Henge
5% of 1340 decks +1% synergy
Mana Artifacts
Sol Ring
75% of 8912 decks -10% synergy
Arcane Signet
53% of 8598 decks -19% synergy
Orzhov Signet
27% of 3313 decks +0% synergy
Boros Signet
25% of 3317 decks +1% synergy
Commander's Sphere
25% of 8863 decks +9% synergy
Azorius Signet
24% of 3043 decks -2% synergy
Mind Stone
20% of 8912 decks +2% synergy
Rakdos Signet
19% of 1868 decks -10% synergy
Talisman of Hierarchy
15% of 3206 decks -10% synergy
Talisman of Conviction
15% of 3205 decks -8% synergy
Fellwar Stone
13% of 8912 decks -8% synergy
Patchwork Banner
13% of 632 decks +2% synergy
Marble Diamond
12% of 8911 decks +8% synergy
Chromatic Lantern
11% of 8901 decks +2% synergy
Gilded Lotus
11% of 8912 decks +7% synergy
Thought Vessel
11% of 8831 decks -6% synergy
Timeless Lotus
11% of 791 decks -4% synergy
Selesnya Signet
10% of 3088 decks +2% synergy
Darksteel Ingot
10% of 8912 decks +9% synergy
Talisman of Indulgence
10% of 1868 decks -16% synergy
Thran Dynamo
10% of 8912 decks +5% synergy
Throne of Eldraine
10% of 3557 decks +7% synergy
Dimir Signet
10% of 1525 decks -20% synergy
Talisman of Progress
9% of 3043 decks -13% synergy
Izzet Signet
9% of 1370 decks -20% synergy
Caged Sun
7% of 8911 decks +5% synergy
Hedron Archive
7% of 8839 decks +4% synergy
Gruul Signet
7% of 1662 decks -5% synergy
Worn Powerstone
6% of 8912 decks +4% synergy
Boros Locket
6% of 3235 decks +5% synergy
Sky Diamond
6% of 3044 decks +1% synergy
Everflowing Chalice
6% of 8912 decks +1% synergy
Nyx Lotus
5% of 8545 decks +4% synergy
Simic Signet
5% of 1545 decks -9% synergy
Lands
Command Tower
57% of 8908 decks -17% synergy
Shattered Landscape
37% of 257 decks +23% synergy
Nomad Outpost
36% of 1861 decks +8% synergy
Jungle Shrine
34% of 1662 decks +2% synergy
The World Tree
30% of 943 decks -4% synergy
Prairie Stream
30% of 3017 decks -4% synergy
Evolving Wilds
29% of 8912 decks +8% synergy
Arcane Sanctum
29% of 1525 decks +1% synergy
Seaside Citadel
28% of 1545 decks +2% synergy
Canopy Vista
27% of 3064 decks -9% synergy
Mystic Monastery
26% of 1363 decks +0% synergy
Godless Shrine
26% of 3313 decks -15% synergy
Sandsteppe Citadel
26% of 1375 decks -0% synergy
Hallowed Fountain
25% of 3043 decks -15% synergy
Azorius Chancery
25% of 3043 decks +10% synergy
Temple Garden
25% of 3088 decks -16% synergy
Savai Triome
25% of 1767 decks -3% synergy
Orzhov Basilica
24% of 3313 decks +8% synergy
Selesnya Sanctuary
24% of 3088 decks +10% synergy
Caves of Koilos
24% of 3313 decks -4% synergy
Boros Garrison
24% of 3317 decks +9% synergy
Scoured Barrens
23% of 3293 decks +14% synergy
Floodfarm Verge
23% of 112 decks +2% synergy
Myriad Landscape
23% of 8863 decks +3% synergy
Frontier Bivouac
22% of 1124 decks -5% synergy
Temple of Silence
22% of 3301 decks +4% synergy
Sacred Foundry
22% of 3317 decks -14% synergy
Glacial Fortress
22% of 3043 decks -3% synergy
Spara's Headquarters
22% of 1322 decks -10% synergy
Jetmir's Garden
21% of 1423 decks -12% synergy
Hushwood Verge
21% of 104 decks -1% synergy
Terramorphic Expanse
21% of 8912 decks +5% synergy
Indatha Triome
21% of 1301 decks -10% synergy
Temple of Triumph
21% of 3309 decks +4% synergy
Exotic Orchard
21% of 8912 decks -15% synergy
Temple of Enlightenment
20% of 3030 decks +4% synergy
Wind-Scarred Crag
20% of 3304 decks +14% synergy
Blood Crypt
20% of 1868 decks -19% synergy
Isolated Chapel
20% of 3311 decks -7% synergy
Blossoming Sands
20% of 3072 decks +13% synergy
Opulent Palace
20% of 1111 decks -7% synergy
Stomping Ground
19% of 1662 decks -22% synergy
Crumbling Necropolis
19% of 1043 decks -12% synergy
Breeding Pool
19% of 1545 decks -22% synergy
Tranquil Cove
19% of 3026 decks +13% synergy
Savage Lands
19% of 1032 decks -4% synergy
Clifftop Retreat
19% of 3317 decks -9% synergy
Azorius Guildgate
19% of 3039 decks +14% synergy
Cinder Glade
19% of 1653 decks -20% synergy
Orzhov Guildgate
18% of 3306 decks +14% synergy