Lenyo, Necromaniac

Flash, Deathtouch
{t}:Exile target card from a graveyard. Until end
of turn, you may cast that card, and you may
spend mana as though it were mana of any
color to cast it.
Sacrifice a creature: Each player loses 1 life
and puts the top two cards of his or her
library, into his or her graveyard.