Shape of the Wiitigo [Coldsnap]

Set: Coldsnap Type: Enchantment — Aura Rare Cost: {3}{G}{G}{G} Enchant creature When Shape of the Wiitigo enters the battlefield, 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.