Park Chaeyoung, The Cursed One

Indestructible, Hexproof, Deathtouch, Lifelink
{b}{b}{b} target player reveals their hand to you,
choose a spell, you may cast it without
paying its mana cost
in your end step this creature deals 3 damage
to you, when more than
10 damage was dealt to you sacrifice
Park Chaeyoung, The Cursed One