Karael, Lunarsight Angel

Flying
When Karael, Lunarsight Angel enters the battlefield, you gain 6 life and draw six cards.
Whenever Karael, Lunarsight Angel deals combat damage to a player, exile the top card of that
player's library. You gain life equal to that card's converted mana cost. Until end of turn, you may
cast that card and you may spend mana as though
it were mana of any color to cast that spell.