Swarm Forerunner

Trample
{c}{c}{b/g}: Reviviform valid target Host:
- When host creature deals combat damage to a
player, they scry X, where X equals the number
of creature cards in their graveyard.
Scavenge {5} (Exile this card from your graveyard:
Put a number of +1/+1 counters equal to this
card's power on target creature. Scavenge only
as a sorcery.)