Shape of the Wiitigo

Enchant creature When this Aura enters, 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.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ob5o87j9ppb1h7ukg0nqj.