Merfolk Windrobber (Card)
Merfolk Windrobber
In 10968 decks
1% of 1951256 decks
Sep 15, 2020
Zendikar Rising Set Review - Blue
Do the new blue cards from Zendikar have you feeling... crabby?
Top Commanders (13)
Anowon, the Ruin Thief
81.09% of 7106 decks
5762 decks
Zareth San, the Trickster
59.77% of 174 decks
104 decks
Edric, Spymaster of Trest
27.57% of 2256 decks
622 decks
Krydle of Baldur's Gate
25.48% of 518 decks
132 decks
Emperor Mihail II
18.00% of 1050 decks
189 decks
Svyelun of Sea and Sky
14.34% of 1611 decks
231 decks
Sygg, River Cutthroat
13.88% of 1246 decks
173 decks
Rigo, Streetwise Mentor
7.93% of 1462 decks
116 decks
Kumena, Tyrant of Orazca
4.88% of 6367 decks
311 decks
Bruvac the Grandiloquent
4.33% of 4391 decks
190 decks
Satoru Umezawa
3.16% of 9727 decks
307 decks
Yuriko, the Tiger's Shadow
2.61% of 20046 decks
524 decks
Hakbal of the Surging Soul
1.47% of 8173 decks
120 decks
New Cards (5)
Flare of Denial
62% of 8 decks
+61% synergy
Tinybones, the Pickpocket
46% of 387 decks
+41% synergy
Laughing Jasper Flint
38% of 8 decks
+35% synergy
Double Down
34% of 435 decks
+33% synergy
Felix Five-Boots
32% of 57 decks
+30% synergy
High Synergy Cards (10)
Soaring Thought-Thief
81% of 8307 decks
+81% synergy
Oona's Blackguard
73% of 8313 decks
+72% synergy
Sygg, River Cutthroat
69% of 8313 decks
+68% synergy
Changeling Outcast
71% of 8313 decks
+68% synergy
Triton Shorestalker
68% of 10968 decks
+67% synergy
Slither Blade
67% of 10968 decks
+66% synergy
Frogtosser Banneret
66% of 8313 decks
+66% synergy
Notion Thief
67% of 8313 decks
+65% synergy
Thieves' Guild Enforcer
64% of 8313 decks
+64% synergy
Stinkdrinker Bandit
63% of 8313 decks
+63% synergy
Top Cards (10)
Invisible Stalker
59% of 10968 decks
+58% synergy
Zareth San, the Trickster
59% of 8313 decks
+58% synergy
Notorious Throng
58% of 10968 decks
+57% synergy
Counterspell
52% of 10968 decks
+31% synergy
Nighthawk Scavenger
51% of 8163 decks
+50% synergy
Krydle of Baldur's Gate
50% of 7795 decks
+50% synergy
Drown in the Loch
49% of 8313 decks
+47% synergy
Gonti, Lord of Luxury
49% of 8313 decks
+47% synergy
Swords to Plowshares
47% of 657 decks
+19% synergy
Thieving Skydiver
47% of 10809 decks
+46% synergy
Creatures (50)
Consuming Aberration
44% of 8313 decks
+43% synergy
Halo Forager
42% of 2942 decks
+42% synergy
Faerie Vandal
42% of 10968 decks
+41% synergy
Syr Konrad, the Grim
41% of 8313 decks
+37% synergy
Marang River Prowler
39% of 10968 decks
+38% synergy
Llanowar Elves
38% of 1589 decks
+28% synergy
Butch DeLoria, Tunnel Snake
38% of 547 decks
+37% synergy
Oona, Queen of the Fae
37% of 8313 decks
+37% synergy
Lazav, Dimir Mastermind
36% of 8313 decks
+36% synergy
Judge's Familiar
36% of 657 decks
+36% synergy
Elvish Mystic
36% of 1589 decks
+27% synergy
Dauthi Voidwalker
35% of 7867 decks
+30% synergy
Ghostly Pilferer
34% of 10968 decks
+33% synergy
Enigma Thief
34% of 10947 decks
+34% synergy
Varragoth, Bloodsky Sire
34% of 8007 decks
+32% synergy
Avacyn's Pilgrim
33% of 252 decks
+30% synergy
Mercurial Spelldancer
33% of 4981 decks
+32% synergy
Nicanzil, Current Conductor
33% of 399 decks
+32% synergy
Faerie Mastermind
32% of 4367 decks
+28% synergy
Blackbloom Rogue
32% of 8307 decks
+31% synergy
Fyndhorn Elves
31% of 1589 decks
+24% synergy
Singer of Swift Rivers
31% of 388 decks
+30% synergy
Roaming Throne
31% of 1403 decks
+15% synergy
Nightveil Sprite
30% of 10968 decks
+29% synergy
Grim Hireling
29% of 7642 decks
+27% synergy
Sure-Footed Infiltrator
29% of 10958 decks
+29% synergy
Lotho, Corrupt Shirriff
28% of 58 decks
+24% synergy
Spire Tracer
27% of 1589 decks
+27% synergy
Looter il-Kor
27% of 10968 decks
+27% synergy
Treetop Scout
27% of 1589 decks
+27% synergy
Prosperous Thief
27% of 9479 decks
+26% synergy
Cold-Eyed Selkie
27% of 1589 decks
+26% synergy
Suspicious Stowaway
26% of 1479 decks
+26% synergy
Glasspool Mimic
25% of 10955 decks
+23% synergy
Merfolk Mistbinder
25% of 1589 decks
+25% synergy
Hellspur Posse Boss
25% of 12 decks
+23% synergy
Jolrael, Mwonvuli Recluse
25% of 1589 decks
+24% synergy
Silver-Fur Master
25% of 7152 decks
+24% synergy
Opposition Agent
24% of 8065 decks
+20% synergy
Rankle, Master of Pranks
24% of 8313 decks
+23% synergy
Arbor Elf
24% of 1589 decks
+21% synergy
Cenote Scout
23% of 461 decks
+23% synergy
Topography Tracker
23% of 388 decks
+22% synergy
Gonti, Canny Acquisitor
23% of 57 decks
+22% synergy
Healer's Hawk
23% of 657 decks
+22% synergy
Deeproot Elite
23% of 1589 decks
+22% synergy
Sepulchral Primordial
22% of 8313 decks
+21% synergy
Master Thief
22% of 10968 decks
+22% synergy
Orochi Soul-Reaver
22% of 387 decks
+19% synergy
Marsh Flitter
21% of 8313 decks
+21% synergy
Instants (50)
Beast Within
40% of 1589 decks
+21% synergy
Negate
37% of 10968 decks
+26% synergy
Soul Manipulation
37% of 8313 decks
+37% synergy
Aetherize
34% of 10968 decks
+31% synergy
Price of Fame
33% of 8313 decks
+33% synergy
Nature's Claim
30% of 1589 decks
+25% synergy
Murder
30% of 8313 decks
+28% synergy
Biomass Mutation
29% of 1589 decks
+28% synergy
Assassin's Trophy
26% of 201 decks
+20% synergy
Path to Exile
25% of 657 decks
+6% synergy
Heroic Intervention
25% of 1589 decks
+12% synergy
Chaos Warp
24% of 274 decks
+8% synergy
Void Rend
24% of 229 decks
+21% synergy
An Offer You Can't Refuse
21% of 8702 decks
+11% synergy
Obscura Charm
21% of 234 decks
+21% synergy
Cyclonic Rift
21% of 10968 decks
+7% synergy
Reclaim
20% of 1589 decks
+19% synergy
Generous Gift
19% of 657 decks
+7% synergy
Dovin's Veto
19% of 657 decks
+14% synergy
Putrefy
18% of 201 decks
+15% synergy
Fact or Fiction
18% of 10968 decks
+14% synergy
Infernal Grasp
18% of 7401 decks
+14% synergy
Silumgar's Command
18% of 8313 decks
+18% synergy
Brainstorm
18% of 10968 decks
+7% synergy
Atomize
18% of 79 decks
+15% synergy
Arcane Denial
17% of 10968 decks
+8% synergy
Mutational Advantage
17% of 131 decks
+14% synergy
Growth Spiral
17% of 1589 decks
+12% synergy
Go for the Throat
15% of 8313 decks
+12% synergy
Terminate
15% of 188 decks
+10% synergy
Didn't Say Please
14% of 10968 decks
+14% synergy
Pongify
13% of 10968 decks
+8% synergy
Reality Shift
13% of 10968 decks
+9% synergy
Return to Nature
13% of 1589 decks
+10% synergy
Dark Ritual
13% of 8313 decks
+2% synergy
Stroke of Midnight
13% of 98 decks
+6% synergy
Noxious Revival
13% of 1589 decks
+10% synergy
Brokers Charm
13% of 210 decks
+12% synergy
Tear Asunder
13% of 141 decks
+11% synergy
Rakdos Charm
12% of 188 decks
+9% synergy
Endless Detour
12% of 205 decks
+12% synergy
Memory Plunder
12% of 8313 decks
+11% synergy
Inspiring Call
12% of 1589 decks
+8% synergy
Rapid Hybridization
11% of 10968 decks
+6% synergy
Vampiric Tutor
11% of 8313 decks
+1% synergy
Fierce Guardianship
11% of 10968 decks
+2% synergy
Aura Mutation
11% of 252 decks
+10% synergy
Swan Song
11% of 10968 decks
+2% synergy
Filter Out
11% of 3167 decks
+9% synergy
Mana Drain
10% of 10968 decks
+3% synergy
Sorceries (50)
Distant Melody
34% of 10968 decks
+32% synergy
Feed the Swarm
34% of 8163 decks
+24% synergy
Extract from Darkness
31% of 8313 decks
+30% synergy
In Garruk's Wake
30% of 8313 decks
+28% synergy
Dusk // Dawn
25% of 657 decks
+24% synergy
Maddening Cacophony
24% of 10955 decks
+23% synergy
Necromantic Selection
23% of 8313 decks
+23% synergy
Rampant Growth
22% of 1589 decks
+6% synergy
Cultivate
22% of 1589 decks
-1% synergy
Austere Command
19% of 657 decks
+14% synergy
Regrowth
19% of 1589 decks
+17% synergy
Harvest Season
19% of 1589 decks
+18% synergy
Villainous Wealth
18% of 201 decks
+17% synergy
Stolen Identity
18% of 10968 decks
+17% synergy
Open into Wonder
18% of 10968 decks
+17% synergy
Blasphemous Act
17% of 274 decks
+0% synergy
Fractured Sanity
16% of 10419 decks
+15% synergy
Scale Up
16% of 1589 decks
+16% synergy
Raise the Palisade
16% of 2866 decks
+14% synergy
Nature's Lore
15% of 1589 decks
+0% synergy
Farseek
15% of 1589 decks
-1% synergy
Scheming Symmetry
14% of 8313 decks
+13% synergy
Knowledge Exploitation
13% of 10968 decks
+13% synergy
Triumph of the Hordes
13% of 1589 decks
+11% synergy
Kodama's Reach
13% of 1589 decks
-2% synergy
Breach the Multiverse
13% of 3259 decks
+10% synergy
Three Visits
13% of 1589 decks
+1% synergy
Overrun
12% of 1589 decks
+12% synergy
Patch Up
12% of 567 decks
+12% synergy
Ascend from Avernus
12% of 435 decks
+11% synergy
Demonic Tutor
12% of 8313 decks
-0% synergy
Endless Obedience
12% of 8313 decks
+12% synergy
Damn
11% of 247 decks
+7% synergy
Crippling Fear
11% of 7973 decks
+10% synergy
Cut Your Losses
11% of 8913 decks
+10% synergy
Rise from the Grave
11% of 8313 decks
+10% synergy
Vandalblast
11% of 274 decks
+2% synergy
Eerie Ultimatum
10% of 39 decks
+9% synergy
Toxic Deluge
10% of 8313 decks
+2% synergy
Windfall
10% of 10968 decks
+3% synergy
Ponder
10% of 10968 decks
+3% synergy
Arcane Heist
10% of 435 decks
+7% synergy
Unburial Rites
9% of 255 decks
+9% synergy
Reanimate
9% of 8313 decks
+2% synergy
Ringsight
9% of 2157 decks
+7% synergy
Bala Ged Recovery
8% of 1583 decks
+4% synergy
Faithless Looting
8% of 274 decks
+0% synergy
Tasha's Hideous Laughter
8% of 10420 decks
+8% synergy
Preordain
8% of 10968 decks
+2% synergy
Back in Town
8% of 387 decks
+6% synergy
Utility Artifacts (29)
Mindcrank
32% of 10968 decks
+30% synergy
Bident of Thassa
30% of 10968 decks
+27% synergy
Obelisk of Urd
25% of 10968 decks
+25% synergy
Whispersteel Dagger
25% of 8300 decks
+25% synergy
Vorpal Sword
19% of 7642 decks
+18% synergy
Bonehoard
18% of 10968 decks
+18% synergy
Swiftfoot Boots
18% of 10968 decks
-11% synergy
Cloak and Dagger
18% of 10968 decks
+18% synergy
Lightning Greaves
17% of 10968 decks
-8% synergy
Heirloom Blade
13% of 10968 decks
+13% synergy
Power Fist
12% of 124 decks
+9% synergy
Sword of the Animist
11% of 10968 decks
+6% synergy
Urabrask's Forge
11% of 138 decks
+10% synergy
Blackblade Reforged
11% of 10968 decks
+6% synergy
The Indomitable
10% of 1403 decks
+8% synergy
Wayfarer's Bauble
10% of 10968 decks
-1% synergy
Scytheclaw
10% of 10968 decks
+10% synergy
The Key to the Vault
9% of 435 decks
+4% synergy
Herald's Horn
8% of 10968 decks
+2% synergy
Mask of Memory
8% of 10968 decks
+6% synergy
Whispersilk Cloak
8% of 10968 decks
+4% synergy
Ozolith, the Shattered Spire
8% of 665 decks
+4% synergy
Vanquisher's Banner
8% of 10968 decks
+3% synergy
Coat of Arms
7% of 10968 decks
+5% synergy
Quietus Spike
7% of 10968 decks
+6% synergy
Dowsing Dagger
6% of 10968 decks
+5% synergy
Trepanation Blade
6% of 10968 decks
+6% synergy
Door of Destinies
5% of 10968 decks
+3% synergy
Sword of Body and Mind
5% of 10968 decks
+4% synergy
Enchantments (50)
Reconnaissance Mission
38% of 10968 decks
+36% synergy
Military Intelligence
33% of 10968 decks
+32% synergy
Rogue Class
33% of 7725 decks
+32% synergy
Druids' Repository
32% of 1589 decks
+32% synergy
Beastmaster Ascension
30% of 1589 decks
+27% synergy
Bitterblossom
23% of 8313 decks
+21% synergy
Reflections of Littjara
20% of 10597 decks
+17% synergy
Bloodchief Ascension
16% of 8313 decks
+15% synergy
Aura Shards
16% of 252 decks
+14% synergy
Rhystic Study
16% of 10968 decks
+2% synergy
Kindred Discovery
15% of 10968 decks
+11% synergy
Deeproot Pilgrimage
15% of 1767 decks
+14% synergy
Wild Growth
14% of 1589 decks
+9% synergy
Descendants' Fury
14% of 74 decks
+13% synergy
Exploration
13% of 1589 decks
+10% synergy
Psychic Corrosion
13% of 10968 decks
+12% synergy
Court of Cunning
13% of 10667 decks
+12% synergy
Rhythm of the Wild
13% of 39 decks
+8% synergy
Case of the Crimson Pulse
12% of 24 decks
+12% synergy
Rising of the Day
12% of 84 decks
+8% synergy
Hardened Scales
11% of 1589 decks
+7% synergy
Coastal Piracy
11% of 10968 decks
+10% synergy
Quest for Renewal
10% of 1589 decks
+10% synergy
Twists and Turns
10% of 400 decks
+10% synergy
Teferi's Tutelage
10% of 10968 decks
+10% synergy
Shared Animosity
10% of 274 decks
+8% synergy
Propaganda
9% of 10968 decks
+4% synergy
Mystic Remora
9% of 10968 decks
+0% synergy
Impact Tremors
9% of 274 decks
+5% synergy
Kenrith's Transformation
9% of 1589 decks
+5% synergy
Assemble the Players
9% of 35 decks
+8% synergy
Abiding Grace
9% of 642 decks
+8% synergy
Memory Erosion
8% of 10968 decks
+8% synergy
Dragon Tempest
8% of 274 decks
+6% synergy
Black Market Connections
8% of 5443 decks
+3% synergy
Simic Ascendancy
8% of 1589 decks
+7% synergy
Smothering Tithe
8% of 657 decks
-4% synergy
Rabble Rousing
8% of 562 decks
+7% synergy
Growing Rites of Itlimoc
8% of 1589 decks
+5% synergy
Deeproot Waters
7% of 10968 decks
+7% synergy
Burgeoning
7% of 1589 decks
+5% synergy
Goblin Bombardment
7% of 274 decks
+4% synergy
Aqueous Form
7% of 10968 decks
+5% synergy
Cryptolith Rite
7% of 1589 decks
+5% synergy
Sylvan Library
7% of 1589 decks
+1% synergy
Sphinx's Tutelage
7% of 10968 decks
+6% synergy
Tocasia's Welcome
7% of 284 decks
+4% synergy
Teferi's Ageless Insight
7% of 10968 decks
+4% synergy
Ghostly Prison
7% of 657 decks
+1% synergy
Animate Dead
6% of 8313 decks
+1% synergy
Battles (1)
Invasion of Amonkhet
7% of 2942 decks
+7% synergy
Planeswalkers (5)
Ashiok, Dream Render
15% of 8313 decks
+13% synergy
Kaito, Dancing Shadow
10% of 3752 decks
+9% synergy
Kaito Shizuki
9% of 7162 decks
+9% synergy
Jace, the Perfected Mind
8% of 4655 decks
+7% synergy
Oko, Thief of Crowns
5% of 1589 decks
+4% synergy
Utility Lands (30)
Rogue's Passage
53% of 10968 decks
+34% synergy
Reliquary Tower
38% of 10968 decks
+10% synergy
Bojuka Bog
30% of 8313 decks
+14% synergy
Restless Reef
21% of 1179 decks
+20% synergy
Boseiju, Who Endures
18% of 1438 decks
+9% synergy
Mystic Sanctuary
16% of 10968 decks
+10% synergy
Otawara, Soaring City
14% of 9509 decks
+5% synergy
Takenuma, Abandoned Mire
12% of 7075 decks
+5% synergy
Alchemist's Refuge
10% of 1589 decks
+8% synergy
Creeping Tar Pit
9% of 8313 decks
+8% synergy
Castle Vantress
9% of 10968 decks
+7% synergy
Access Tunnel
9% of 10514 decks
+7% synergy
Minas Tirith
8% of 135 decks
+3% synergy
Shizo, Death's Storehouse
8% of 8313 decks
+5% synergy
Castle Locthwain
8% of 8313 decks
+5% synergy
Restless Anchorage
7% of 67 decks
+7% synergy
Gaea's Cradle
7% of 1589 decks
+5% synergy
Nephalia Drownyard
7% of 8313 decks
+6% synergy
Dryad Arbor
7% of 1589 decks
+5% synergy
Urborg, Tomb of Yawgmoth
7% of 10968 decks
-3% synergy
Windbrisk Heights
7% of 657 decks
+5% synergy
Moorland Haunt
7% of 657 decks
+6% synergy
Eiganjo, Seat of the Empire
6% of 587 decks
+2% synergy
Restless Spire
6% of 67 decks
+5% synergy
Gavony Township
6% of 252 decks
+4% synergy
Rivendell
6% of 2866 decks
+2% synergy
Lumbering Falls
6% of 1589 decks
+5% synergy
Temple of the False God
5% of 10968 decks
-5% synergy
Halimar Depths
5% of 10968 decks
+4% synergy
Scavenger Grounds
5% of 10968 decks
+2% synergy
Mana Artifacts (31)
Sol Ring
84% of 10968 decks
-0% synergy
Arcane Signet
76% of 10968 decks
+5% synergy
Dimir Signet
68% of 8313 decks
+60% synergy
Mind Stone
38% of 10968 decks
+20% synergy
Talisman of Dominance
36% of 8313 decks
+29% synergy
Commander's Sphere
33% of 10968 decks
+17% synergy
Azorius Signet
32% of 657 decks
+26% synergy
Orzhov Signet
31% of 255 decks
+24% synergy
Talisman of Hierarchy
26% of 255 decks
+20% synergy
Rakdos Signet
25% of 188 decks
+18% synergy
Izzet Signet
25% of 274 decks
+18% synergy
Simic Signet
24% of 1589 decks
+21% synergy
Thought Vessel
22% of 10968 decks
+7% synergy
Talisman of Creativity
22% of 274 decks
+15% synergy
Timeless Lotus
21% of 14 decks
+20% synergy
Dimir Locket
19% of 8313 decks
+18% synergy
Talisman of Indulgence
18% of 188 decks
+12% synergy
Talisman of Curiosity
17% of 1589 decks
+15% synergy
Dimir Keyrune
17% of 8313 decks
+16% synergy
Fellwar Stone
16% of 10968 decks
-5% synergy
Talisman of Resilience
16% of 201 decks
+14% synergy
Talisman of Progress
13% of 657 decks
+9% synergy
Decanter of Endless Water
9% of 7516 decks
+4% synergy
Sky Diamond
9% of 10968 decks
+6% synergy
Golgari Signet
8% of 201 decks
+5% synergy
Relic of Sauron
8% of 51 decks
+6% synergy
Strixhaven Stadium
7% of 10519 decks
+6% synergy
Boros Signet
7% of 44 decks
+1% synergy
Marble Diamond
7% of 657 decks
+4% synergy
Charcoal Diamond
7% of 8313 decks
+4% synergy
Talisman of Unity
5% of 252 decks
+4% synergy
Lands (50)
Command Tower
83% of 10968 decks
+10% synergy
Yavimaya Coast
57% of 1589 decks
+52% synergy
Dimir Aqueduct
55% of 8313 decks
+50% synergy
Sunken Hollow
53% of 8313 decks
+45% synergy
Hinterland Harbor
47% of 1589 decks
+41% synergy
Prairie Stream
46% of 657 decks
+38% synergy
Dismal Backwater
41% of 8313 decks
+40% synergy
Seaside Citadel
41% of 252 decks
+38% synergy
Arcane Sanctum
40% of 255 decks
+37% synergy
Xander's Lounge
39% of 173 decks
+35% synergy
Breeding Pool
38% of 1589 decks
+29% synergy
Spara's Headquarters
37% of 203 decks
+33% synergy
Myriad Landscape
37% of 10968 decks
+16% synergy
Opulent Palace
37% of 201 decks
+34% synergy
Rejuvenating Springs
36% of 1573 decks
+30% synergy
Overflowing Basin
35% of 124 decks
+32% synergy
Jwar Isle Refuge
35% of 8313 decks
+35% synergy
Raffine's Tower
35% of 228 decks
+31% synergy
Drowned Catacomb
35% of 8313 decks
+29% synergy
Canopy Vista
34% of 252 decks
+26% synergy
Shipwreck Marsh
34% of 7479 decks
+29% synergy
Path of Ancestry
34% of 10968 decks
+14% synergy
Crumbling Necropolis
34% of 188 decks
+30% synergy
Zagoth Triome
33% of 201 decks
+30% synergy
Watery Grave
33% of 8313 decks
+23% synergy
Darkwater Catacombs
32% of 8313 decks
+28% synergy
Godless Shrine
32% of 255 decks
+22% synergy
Choked Estuary
31% of 8313 decks
+27% synergy
Flooded Grove
31% of 1589 decks
+28% synergy
Overgrown Tomb
30% of 201 decks
+21% synergy
Temple of Deceit
30% of 8313 decks
+26% synergy
Viridescent Bog
29% of 79 decks
+26% synergy
Vineglimmer Snarl
29% of 1553 decks
+27% synergy
Hallowed Fountain
29% of 657 decks
+20% synergy
Shivan Reef
28% of 274 decks
+23% synergy
Temple Garden
28% of 252 decks
+19% synergy
Temple of Mystery
27% of 1589 decks
+23% synergy
Clearwater Pathway
27% of 8310 decks
+24% synergy
Port Town
26% of 657 decks
+23% synergy
Steam Vents
26% of 274 decks
+17% synergy
Dimir Guildgate
26% of 8313 decks
+24% synergy
Blood Crypt
26% of 188 decks
+16% synergy
Eroded Canyon
25% of 12 decks
+23% synergy
Waterlogged Grove
25% of 1589 decks
+23% synergy
Caves of Koilos
25% of 255 decks
+19% synergy
Morphic Pool
24% of 8313 decks
+18% synergy
Bountiful Promenade
24% of 252 decks
+19% synergy
Dreamroot Cascade
24% of 1457 decks
+20% synergy
Woodland Cemetery
24% of 201 decks
+19% synergy
Submerged Boneyard
24% of 8313 decks
+23% synergy