Trumpet

+2: Look at the top three cards of your library. Put one of them into your hand and lose life equal to its mana value. Put the rest in your graveyard
-4: You may sacrifice a creature. Put a number of loyalty counters on Trumpet equal to the sacrificed creature's power.
-10: Create Tharizdun, a legendary 15/15 black and red demon with indestructible and haste