Exchange of Words + Devoted Druid + Lair of the Hydra
Exchange of Words
Devoted Druid
Lair of the Hydra
Requires
Exchange of Words must be in hand.
Devoted Druid must be on the battlefield.
Lair of the Hydra must be on the battlefield.
Lair of the Hydra does not have summoning sickness.
Mana needed: 
Steps
- Activate Lair of the Hydra's last ability by paying
, making it a 1/1 land creature until end of turn. - Cast Exchange of Words by paying .
- Exchange of Words enters the battlefield, exchanging the text boxes of Devoted Druid and Lair of the Hydra.
- As the turn ends, Lair of the Hydra stops being a creature.
- On your opponent's upkeep, activate Lair of the Hydra using Devoted Druid's first ability by tapping it, adding .
- Activate Lair of the Hydra using Devoted Druid's last ability, putting a -1/-1 counter on it and untapping it.
- Repeat from step 5.
Results
Infinite green mana. Infinitely large creature.
Top Commanders (7)
Roon of the Hidden Realm
0.03% of 3525 decks
1 decks
Garth One-Eye
0.02% of 4326 decks
1 decks
Yidris, Maelstrom Wielder
0.02% of 6339 decks
1 decks
Volo, Guide to Monsters
0.01% of 7292 decks
1 decks
Zaxara, the Exemplary
0.01% of 10461 decks
1 decks
Omnath, Locus of Creation
0.01% of 13160 decks
1 decks
Atraxa, Praetors' Voice
0.01% of 32433 decks
2 decks
New Cards (1)
Tower Winder
100% of 1 decks
+98% synergy
Top Cards (4)
Command Performance
57% of 7 decks
+57% synergy
Explore
50% of 8 decks
+46% synergy
Farseek
50% of 8 decks
+34% synergy
Rampant Growth
50% of 8 decks
+33% synergy
Creatures (50)
Park Bleater
60% of 5 decks
+60% synergy
Lineprancers
43% of 7 decks
+43% synergy
Blorbian Buddy
43% of 7 decks
+43% synergy
Scampire
40% of 5 decks
+40% synergy
Dee Kay, Finder of the Lost
40% of 5 decks
+40% synergy
Vesperlark
40% of 5 decks
+40% synergy
Quick Fixer
40% of 5 decks
+40% synergy
Discourtesy Clerk
40% of 5 decks
+40% synergy
Abdel Adrian, Gorion's Ward
40% of 5 decks
+39% synergy
Biovisionary
38% of 8 decks
+37% synergy
Peregrine Drake
38% of 8 decks
+36% synergy
Myra the Magnificent
33% of 3 decks
+33% synergy
Elmar, Ulvenwald Informant
33% of 3 decks
+33% synergy
Vrondiss, Rage of Ancients
33% of 3 decks
+33% synergy
Averna, the Chaos Bloom
33% of 3 decks
+33% synergy
Omnath, Locus of the Roil
33% of 3 decks
+33% synergy
Slobad, Goblin Tinkerer
33% of 3 decks
+33% synergy
Archfiend of the Dross
33% of 3 decks
+33% synergy
Rattleclaw Mystic
33% of 3 decks
+33% synergy
Dragon's Rage Channeler
33% of 3 decks
+32% synergy
Omnath, Locus of Rage
33% of 3 decks
+32% synergy
Lizard Blades
33% of 3 decks
+32% synergy
Tishana's Tidebinder
33% of 3 decks
+32% synergy
Reckless Fireweaver
33% of 3 decks
+31% synergy
Dualcaster Mage
33% of 3 decks
+31% synergy
Anger
33% of 3 decks
+30% synergy
Storm-Kiln Artist
33% of 3 decks
+29% synergy
Ambassador Blorpityblorpboop
29% of 7 decks
+29% synergy
Prize Wall
29% of 7 decks
+29% synergy
Clandestine Chameleon
29% of 7 decks
+29% synergy
Wicker Picker
29% of 7 decks
+29% synergy
Seasoned Buttoneer
29% of 7 decks
+29% synergy
Arwen, Mortal Queen
25% of 4 decks
+25% synergy
Hydroid Krasis
25% of 8 decks
+24% synergy
Fauna Shaman
25% of 8 decks
+24% synergy
Ledger Shredder
25% of 8 decks
+23% synergy
Archaeomancer
25% of 8 decks
+23% synergy
Mulldrifter
25% of 8 decks
+22% synergy
Lotus Cobra
25% of 8 decks
+22% synergy
Avenger of Zendikar
25% of 8 decks
+20% synergy
Llanowar Elves
25% of 8 decks
+15% synergy
Eternal Witness
25% of 8 decks
+15% synergy
Birds of Paradise
25% of 8 decks
+13% synergy
Tusk and Whiskers
20% of 5 decks
+20% synergy
Aerialephant
20% of 5 decks
+20% synergy
The Most Dangerous Gamer
20% of 5 decks
+20% synergy
Spinnerette, Arachnobat
20% of 5 decks
+20% synergy
Priests of Norn
20% of 5 decks
+20% synergy
Line Cutter
20% of 5 decks
+20% synergy
Vizier of Remedies
20% of 5 decks
+20% synergy
Instants (50)
Atomize
100% of 1 decks
+97% synergy
Teferi's Protection
60% of 5 decks
+51% synergy
Legolas's Quick Reflexes
50% of 2 decks
+48% synergy
Flicker of Fate
40% of 5 decks
+39% synergy
Momentary Blink
40% of 5 decks
+39% synergy
Saw in Half
40% of 5 decks
+39% synergy
Flawless Maneuver
40% of 5 decks
+36% synergy
Enlightened Tutor
40% of 5 decks
+32% synergy
Generous Gift
40% of 5 decks
+28% synergy
Path to Exile
40% of 5 decks
+21% synergy
Swords to Plowshares
40% of 5 decks
+12% synergy
Ghostly Flicker
38% of 8 decks
+35% synergy
Worldly Tutor
38% of 8 decks
+31% synergy
Mystical Tutor
38% of 8 decks
+30% synergy
Arcane Denial
38% of 8 decks
+28% synergy
Heroic Intervention
38% of 8 decks
+24% synergy
Flame Lash
33% of 3 decks
+33% synergy
Explosive Welcome
33% of 3 decks
+33% synergy
Call In a Professional
33% of 3 decks
+33% synergy
Galvanic Blast
33% of 3 decks
+33% synergy
Black Sun's Twilight
33% of 3 decks
+32% synergy
Utter End
33% of 3 decks
+31% synergy
Void Rend
33% of 3 decks
+31% synergy
Lightning Bolt
33% of 3 decks
+28% synergy
Anguished Unmaking
33% of 3 decks
+28% synergy
Stroke of Midnight
33% of 3 decks
+26% synergy
Slip On the Ring
25% of 4 decks
+24% synergy
Excise the Imperfect
25% of 4 decks
+24% synergy
Reprieve
25% of 4 decks
+23% synergy
Snap
25% of 8 decks
+22% synergy
Crop Rotation
25% of 8 decks
+20% synergy
Growth Spiral
25% of 8 decks
+20% synergy
Frantic Search
25% of 8 decks
+19% synergy
Fierce Guardianship
25% of 8 decks
+16% synergy
Brainstorm
25% of 8 decks
+14% synergy
Cyclonic Rift
25% of 8 decks
+11% synergy
Erebos's Intervention
20% of 5 decks
+20% synergy
Bant Charm
20% of 5 decks
+19% synergy
Sultai Charm
20% of 5 decks
+19% synergy
Hagra Mauling
20% of 5 decks
+19% synergy
Cloudshift
20% of 5 decks
+19% synergy
Tear Asunder
20% of 5 decks
+19% synergy
Tragic Slip
20% of 5 decks
+18% synergy
Eerie Interlude
20% of 5 decks
+18% synergy
Go for the Throat
20% of 5 decks
+17% synergy
Entomb
20% of 5 decks
+16% synergy
Dovin's Veto
20% of 5 decks
+15% synergy
Deadly Rollick
20% of 5 decks
+15% synergy
Assassin's Trophy
20% of 5 decks
+14% synergy
Vampiric Tutor
20% of 5 decks
+10% synergy
Sorceries (49)
Coming Attraction
43% of 7 decks
+43% synergy
Exsanguinate
40% of 5 decks
+37% synergy
Torment of Hailfire
40% of 5 decks
+37% synergy
Reanimate
40% of 5 decks
+33% synergy
Nature's Lore
38% of 8 decks
+23% synergy
Cultivate
38% of 8 decks
+15% synergy
Circuits Act
33% of 3 decks
+33% synergy
Great Intelligence's Plan
33% of 3 decks
+33% synergy
Mystic Retrieval
33% of 3 decks
+33% synergy
Rise of the Witch-king
33% of 3 decks
+32% synergy
Eerie Ultimatum
33% of 3 decks
+32% synergy
Expressive Iteration
33% of 3 decks
+32% synergy
Faithless Looting
33% of 3 decks
+25% synergy
Blasphemous Act
33% of 3 decks
+17% synergy
Open the Gates
25% of 8 decks
+24% synergy
Circuitous Route
25% of 8 decks
+24% synergy
Sylvan Scrying
25% of 8 decks
+24% synergy
Tempt with Discovery
25% of 8 decks
+23% synergy
Lórien Revealed
25% of 4 decks
+23% synergy
Green Sun's Zenith
25% of 8 decks
+22% synergy
Windfall
25% of 8 decks
+18% synergy
Kodama's Reach
25% of 8 decks
+9% synergy
Black Hole
20% of 5 decks
+20% synergy
Settle Beyond Reality
20% of 5 decks
+20% synergy
Disentomb
20% of 5 decks
+20% synergy
Attempted Murder
20% of 5 decks
+20% synergy
Exhume
20% of 5 decks
+20% synergy
Damnable Pact
20% of 5 decks
+19% synergy
Villainous Wealth
20% of 5 decks
+19% synergy
Diabolic Tutor
20% of 5 decks
+16% synergy
Finishing Move
14% of 7 decks
+14% synergy
Spoils of Victory
12% of 8 decks
+12% synergy
Hurricane
12% of 8 decks
+12% synergy
Sakashima's Will
12% of 8 decks
+12% synergy
Silver Scrutiny
12% of 8 decks
+12% synergy
Threats Undetected
12% of 8 decks
+12% synergy
Replication Technique
12% of 8 decks
+12% synergy
Mind Spring
12% of 8 decks
+12% synergy
Vastwood Surge
12% of 8 decks
+12% synergy
Walk the Aeons
12% of 8 decks
+12% synergy
Urban Evolution
12% of 8 decks
+11% synergy
Deep Analysis
12% of 8 decks
+11% synergy
Time Warp
12% of 8 decks
+11% synergy
Rite of Replication
12% of 8 decks
+11% synergy
Treasure Cruise
12% of 8 decks
+10% synergy
Gitaxian Probe
12% of 8 decks
+9% synergy
Bala Ged Recovery
12% of 8 decks
+8% synergy
Preordain
12% of 8 decks
+7% synergy
Ponder
12% of 8 decks
+6% synergy
Utility Artifacts (16)
Brass's Tunnel-Grinder
50% of 2 decks
+48% synergy
Lightning Greaves
38% of 8 decks
+12% synergy
Thousand-Year Elixir
25% of 8 decks
+23% synergy
Altar of Dementia
25% of 8 decks
+22% synergy
Panharmonicon
25% of 8 decks
+21% synergy
Pin Collection
20% of 5 decks
+20% synergy
Sting, the Glinting Dagger
20% of 5 decks
+18% synergy
Clown Car
14% of 7 decks
+14% synergy
Luxior, Giada's Gift
12% of 8 decks
+12% synergy
Amulet of Vigor
12% of 8 decks
+12% synergy
Grafdigger's Cage
12% of 8 decks
+11% synergy
Bootleggers' Stash
12% of 8 decks
+11% synergy
Twinning Staff
12% of 8 decks
+11% synergy
Altar of the Brood
12% of 8 decks
+11% synergy
Sensei's Divining Top
12% of 8 decks
+6% synergy
Swiftfoot Boots
12% of 8 decks
-16% synergy
Enchantments (31)
Done for the Day
43% of 7 decks
+43% synergy
Last Voyage of the _____
40% of 5 decks
+40% synergy
Rhystic Study
38% of 8 decks
+23% synergy
Priority Boarding
33% of 3 decks
+33% synergy
War's Toll
33% of 3 decks
+33% synergy
Share the Spoils
33% of 3 decks
+33% synergy
Up the Beanstalk
25% of 4 decks
+22% synergy
Parallel Lives
25% of 8 decks
+22% synergy
Swift Reconfiguration
20% of 5 decks
+19% synergy
Teleportation Circle
20% of 5 decks
+18% synergy
Phyrexian Reclamation
20% of 5 decks
+18% synergy
Darksteel Mutation
20% of 5 decks
+17% synergy
Felidar Retreat
20% of 5 decks
+17% synergy
Animate Dead
20% of 5 decks
+15% synergy
The Mirari Conjecture
12% of 8 decks
+12% synergy
Security Bypass
12% of 8 decks
+12% synergy
Copy Enchantment
12% of 8 decks
+12% synergy
Prismatic Omen
12% of 8 decks
+12% synergy
Instill Energy
12% of 8 decks
+12% synergy
Song of the Dryads
12% of 8 decks
+11% synergy
Freed from the Real
12% of 8 decks
+11% synergy
Shark Typhoon
12% of 8 decks
+11% synergy
Concordant Crossroads
12% of 8 decks
+11% synergy
Zendikar's Roil
12% of 8 decks
+11% synergy
Druid Class
12% of 8 decks
+11% synergy
Wilderness Reclamation
12% of 8 decks
+11% synergy
Imprisoned in the Moon
12% of 8 decks
+11% synergy
Growing Rites of Itlimoc
12% of 8 decks
+10% synergy
Wild Growth
12% of 8 decks
+7% synergy
Sylvan Library
12% of 8 decks
+6% synergy
Mystic Remora
12% of 8 decks
+4% synergy
Planeswalkers (11)
Wrenn and Six
33% of 3 decks
+33% synergy
The Eternal Wanderer
25% of 4 decks
+23% synergy
Ajani, Sleeper Agent
20% of 5 decks
+19% synergy
Teferi, Who Slows the Sunset
20% of 5 decks
+19% synergy
Wrenn and Realmbreaker
20% of 5 decks
+19% synergy
Nissa, Steward of Elements
12% of 8 decks
+12% synergy
Nissa, Vital Force
12% of 8 decks
+12% synergy
Kiora, Behemoth Beckoner
12% of 8 decks
+12% synergy
Wrenn and Seven
12% of 8 decks
+12% synergy
Teferi, Master of Time
12% of 8 decks
+11% synergy
Garruk, Primal Hunter
12% of 8 decks
+11% synergy
Utility Lands (24)
Restless Ridgeline
50% of 2 decks
+49% synergy
Yavimaya, Cradle of Growth
38% of 8 decks
+28% synergy
Boseiju, Who Endures
38% of 8 decks
+28% synergy
Reliquary Tower
38% of 8 decks
+9% synergy
Restless Prairie
33% of 3 decks
+33% synergy
Hall of Storm Giants
25% of 8 decks
+25% synergy
Baldur's Gate
25% of 8 decks
+24% synergy
Otawara, Soaring City
25% of 8 decks
+17% synergy
Hissing Quagmire
20% of 5 decks
+20% synergy
Cave of the Frost Dragon
20% of 5 decks
+20% synergy
Windbrisk Heights
20% of 5 decks
+18% synergy
Eiganjo, Seat of the Empire
20% of 5 decks
+15% synergy
Bojuka Bog
20% of 5 decks
+4% synergy
Maze's End
12% of 8 decks
+12% synergy
Inkmoth Nexus
12% of 8 decks
+12% synergy
Mutavault
12% of 8 decks
+11% synergy
Guildless Commons
12% of 8 decks
+11% synergy
Alchemist's Refuge
12% of 8 decks
+11% synergy
Field of Ruin
12% of 8 decks
+10% synergy
Urza's Saga
12% of 8 decks
+5% synergy
Temple of the False God
12% of 8 decks
+3% synergy
Urborg, Tomb of Yawgmoth
12% of 8 decks
+2% synergy
Ancient Tomb
12% of 8 decks
+2% synergy
Rogue's Passage
12% of 8 decks
-6% synergy
Mana Artifacts (24)
Arcane Signet
88% of 8 decks
+17% synergy
Obelisk of Grixis
50% of 2 decks
+50% synergy
Sol Ring
50% of 8 decks
-34% synergy
Golgari Signet
40% of 5 decks
+37% synergy
Dimir Signet
40% of 5 decks
+32% synergy
Temur Banner
33% of 3 decks
+33% synergy
Talisman of Hierarchy
33% of 3 decks
+28% synergy
Orzhov Signet
33% of 3 decks
+27% synergy
Chromatic Lantern
25% of 8 decks
+16% synergy
Mind Stone
25% of 8 decks
+7% synergy
Talisman of Unity
20% of 5 decks
+19% synergy
Talisman of Resilience
20% of 5 decks
+18% synergy
Selesnya Signet
20% of 5 decks
+18% synergy
Talisman of Progress
20% of 5 decks
+16% synergy
Azorius Signet
20% of 5 decks
+14% synergy
Talisman of Dominance
20% of 5 decks
+12% synergy
Ticket Turbotubes
14% of 7 decks
+14% synergy
Talisman of Curiosity
12% of 8 decks
+10% synergy
Simic Signet
12% of 8 decks
+9% synergy
Decanter of Endless Water
12% of 8 decks
+7% synergy
Chrome Mox
12% of 8 decks
+6% synergy
Mana Crypt
12% of 8 decks
+1% synergy
Thought Vessel
12% of 8 decks
-3% synergy
Fellwar Stone
12% of 8 decks
-9% synergy
Lands (50)
Thundering Falls
100% of 1 decks
+97% synergy
The World Tree
100% of 1 decks
+98% synergy
Gruul Guildgate
67% of 3 decks
+66% synergy
Izzet Guildgate
67% of 3 decks
+65% synergy
Vault of Champions
67% of 3 decks
+61% synergy
Godless Shrine
67% of 3 decks
+57% synergy
Command Tower
62% of 8 decks
-11% synergy
Bountiful Promenade
60% of 5 decks
+55% synergy
Sea of Clouds
60% of 5 decks
+54% synergy
Temple Garden
60% of 5 decks
+51% synergy
Watery Grave
60% of 5 decks
+49% synergy
Rakdos Guildgate
50% of 2 decks
+49% synergy
Boros Guildgate
50% of 2 decks
+49% synergy
Meticulous Archive
50% of 2 decks
+47% synergy
Sundown Pass
50% of 2 decks
+46% synergy
Hedge Maze
50% of 2 decks
+46% synergy
Undercity Sewers
50% of 2 decks
+45% synergy
Dragonskull Summit
50% of 2 decks
+43% synergy
Selesnya Guildgate
40% of 5 decks
+39% synergy
Golgari Guildgate
40% of 5 decks
+38% synergy
Savannah
40% of 5 decks
+37% synergy
Bayou
40% of 5 decks
+37% synergy
Tundra
40% of 5 decks
+37% synergy
Undergrowth Stadium
40% of 5 decks
+34% synergy
Drowned Catacomb
40% of 5 decks
+34% synergy
Morphic Pool
40% of 5 decks
+33% synergy
Hallowed Fountain
40% of 5 decks
+31% synergy
Overgrown Tomb
40% of 5 decks
+31% synergy
Simic Growth Chamber
38% of 8 decks
+33% synergy
Rejuvenating Springs
38% of 8 decks
+31% synergy
Breeding Pool
38% of 8 decks
+28% synergy
Flooded Strand
38% of 8 decks
+27% synergy
Polluted Delta
38% of 8 decks
+27% synergy
Arid Mesa
38% of 8 decks
+27% synergy
Verdant Catacombs
38% of 8 decks
+26% synergy
Marsh Flats
38% of 8 decks
+26% synergy
Misty Rainforest
38% of 8 decks
+26% synergy
Cliffgate
33% of 3 decks
+32% synergy
Orzhov Guildgate
33% of 3 decks
+32% synergy
Riverglide Pathway
33% of 3 decks
+31% synergy
Scrubland
33% of 3 decks
+30% synergy
Volcanic Island
33% of 3 decks
+30% synergy
Karplusan Forest
33% of 3 decks
+30% synergy
Game Trail
33% of 3 decks
+30% synergy
Rootbound Crag
33% of 3 decks
+28% synergy
Cinder Glade
33% of 3 decks
+25% synergy
Gateway Plaza
25% of 8 decks
+24% synergy
Gond Gate
25% of 8 decks
+24% synergy
Simic Guildgate
25% of 8 decks
+23% synergy
Barkchannel Pathway
25% of 8 decks
+23% synergy