Misty's Gyarados (13/132) [Gym Challenge 1st Edition] The Duelist Genesis Set: Tactical Evolution Card type:

Set: Tactical Evolution Card type: Effect Monster Rarity: Secret Rare Attack: 1500 Once per turn

Set: Judgment of the Light Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 3200 Defense: 2800 1 Tuner + 1 or more non-Tuner monsters // Must be Synchro Summoned

They become 6/6 Elemental creatures

Which tells us the way to go

Set: Ravnica: City of Guilds Type: Land — Swamp Forest Rarity: Rare ({T}: Add {B} or {G}

Misty's Gyarados (13/132) [Gym Challenge 1st Edition] The Duelist Genesis Set: Tactical Evolution Card type:Set: Gym Challenge 1st Edition Type: Water Rarity: Holo Rare Retreat cost: Colorless,Colorless,Colorless