Kanthar, Titan of Life's End

When Kanthar enters the battlefield, sacrifice it
unless it escaped.
Whenever Kanthar enters the battlefield or
attacks, Kanthar deals 5 damage to target player
or planeswalker.
Escape—{b/r}{b/r}{b/r}, Exile three other cards from
your graveyard. (You may cast this card from your graveyard for its escape cost.)