Patriarch's Bidding

Avenge 2 (Whenever a creature dies, you may put two +1/+1 counters on Patriarch's Bidding.)
Flurry (Whenever Patriarch's Bidding attacks, you may pay {w/u}{w/u}. If you do, untap Patriarch's Bidding and after this phase, there is an additional combat phase only for Patriarch's Bidding.)
Protection from black, protection from green