the Undercrypt enters the battlefield
it gets +1/+1 until end of turn for each opponent you attacked this combat
you may return this card from your graveyard to your hand
Target player takes an extra turn after this one
Whenever one or more players sacrifice one or more creatures
Mewtwo & Mew GX - 2019 (Henry Brand) 071 World Championship Decks - Ultra Rare Number_RC21 the Undercrypt enters the battlefieldRarityUltra Rare Hit Points270 HP Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Unknown,Colorless,Psychic,Psychic,Unknown Miraculous Duo GX (200) If this Pokmon has at least 1 extra Energy attached to it (in addition to this attack's cost), heal all