Kroxa, Titan of Death's Hunger

Card text

When Kroxa enters, sacrifice it unless it escaped.

Whenever Kroxa enters or attacks, each opponent discards a card, then each opponent who didn't discard a nonland card this way loses 3 life.

Escape—{B}{B}{R}{R}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)