Corrupt Heart

Indestructible, trample, vigilance Beat of Death {-}Whenever an opponent plays a nonland card, opponents lose 1 life. Echo {-}When Corrupt Heart attacks, each opponent creates a Void status card. If there are more than one planeswalker it could attack, it attacks all of them. Invincible {-}Damage isn’t removed from Corrupt Heart during cleanup steps. Between your current end step and next upkeep, Corrupt Heart can only take a maximum of X damage, where X is the number of planeswalkers opponents control.{/color#ffffff}