Shape of the Wiitigo

{3}{G}{G}{G}

Enchantment — Aura

Enchant creature

When Shape of the Wiitigo comes into play, put six +1/+1 counters on enchanted creature.

At the beginning of your upkeep, put a +1/+1 counter on enchanted creature if it attacked or blocked since your last upkeep. Otherwise, remove a +1/+1 counter from it.