Mewtwo GX (31/68) (Mewtwo Deck) [Battle Academy 2020] FLx2 You can only activate 1

You can only activate 1 "Storm Dragon's Return" per turn

Set: Phantom Darkness Card type: Effect Monster Rarity: Ultimate Rare Attack: 2400 Defense: 1600 If this card is in your hand and there are 3 or more DARK monsters in your Graveyard

you can return the "Sinister Serpernt" to your hand

Set: Base Set Shadowless Unlimited Type: Fire Rarity: Uncommon Retreat cost: Colorless

Set: Nintendo: Black Star Promos Type: Fire Rarity: Black Star Promo Retreat cost: Colorless

Mewtwo GX (31/68) (Mewtwo Deck) [Battle Academy 2020] FLx2 You can only activate 1Set: Battle Academy 2020 Type: Psychic Rarity: Promo Retreat cost: Colorless,Colorless