Band of Valhalla

Flash, creatures you control have reach.
Band of Valhalla Costs {w} less for each
creature you control that blocked this turn.
Sacrifice Band of Valhalla: Blocking creatures are
indestructible until end of turn. Distribute six
+1/+1 counters among any number of targets.
"There are six good reasons not to fly over Drinnon..."
— Orzhov scout