Anselm and Gerion

When Anselm and Gerion enters the battlefield, put two +1/+1 counters on it if your opponent controls at least one Eldrazi creature.
{2}: Anselm and Gerion gets +3/+0 until end of turn.
{2}: Anselm and Gerion gets +0/+3 until end of turn.
When Anselm and Gerion dies, you may search your library for Anselm, Emrakul's Chosen, and put it it into your hand.