Charizard

Flying, Protection from green
Mega Evolve (At the beginning of your upkeep, you may pay {b}{b}{b} or {r}{r}{r} . If you pay {b}{b}{b}, you may sacrifice this card, and you may search your library and/or graveyard for a card named Mega Charizard X and summon it to the battlefield. If you pay {r}{r}{r}, you may sacrifice this card, and you may search your library and/or graveyard for a card named Mega Charizard Y, and summon it to the battlefield.)