Iyuni, the Hidden Prince

Shroud, Trample, First Strike
When you cast Iyuni, The Hidden prince:
•Put the top 2 cards of your library into your graveyard for each {u} used.
•Target opponent discards life for each {b} used.
•Iyuni deals damage equal to its power to target creature {g} used.
He is forgotten as quickly as his victims.