Clefable 003 - Reverse Holofoil HeartGold SoulSilver - Holo Rare Number_DEM3-EN013 if he or she does

if he or she does everything required in order to play that card (like discarding cards)

X can use any attack

TypeSpellcaster / Gemini Monster

increase the attack and defense strengths of all of your Plant Sub-Type Monsters on the field by 500

Clefable 003 - Reverse Holofoil HeartGold SoulSilver - Holo Rare Number_DEM3-EN013 if he or she doesRarityHolo Rare Card TypePokmon Hit Points80 HP FormStage 1 Evolves from Clefairy TypeColorless Colorless,Colorless Fairy Power Return 1 of your Pokmon and all cards attached to it to your hand. Colorless,Colorless Moon Impact (40) Weakness Fighting 2 Retreat CostColorless ArtistMasakazu Fukuda