Goianinha's Chupa-Cu

Deathtouch, trample
Dangerous suck —When Goianinha's Chupa-Cu
enters the battlefield, target player gets their anus
sucked for as long as you control Goianinha's
Chupa-Cu.
Terror of Goianinha —{b}{b}{b}, {t}: Goianinha's
Chupa-Cu deals X damage to target creature an opponent controls, where X is the number of
cards in sucked player's graveyard.