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Consuming Ferocity

Enchantment — Aura

Enchant non-Wall creature Enchanted creature gets +1/+0. At the beginning of your upkeep, put a +1/+0 counter on enchanted creature. If that creature has three or more +1/+0 counters on it, it deals damage equal to its power to its controller, then destroy that creature and it can't be regenerated.