Ixilos, Titan of Storm's Wrath

When Ixilos enters the battlefield sacrifice it
unless it escaped.
Whenever Ixilos enters the battlefield or attacks,
Ixilos deals X damage to target creature or
planeswalker, where X is equal to the number of
cards in your hand.
Escape—{u}{u}{r}{r}, Exile five other cards from
your graveyard. (You can cast this card from your graveyard for its escape cost.)