Poké-POWER: Flame Vapor
When you play Gyarados from your hand to evolve your Active Pokémon, you may flip 2 coins. For each heads, discard an Energy card attached to the Defending Pokémon.
[W][C][C][C] Dragon’s Vengeance: 50
If Gyarados has 7 or more damage counters on it, this attack’s base damage is 100.