Altar of Value

Sacrifice a Creature: Exile the top card of your
library. Until the end of your next turn, you
may play that card.
Whenever you exile a card with Altar of Value,
you may pay 2 life. When you do, exile the top
card of your library. Until the end of your next
turn, you may play that card.
"Rakdos gazed upon that which had been prepared for him, and he was entertained."