Ferocity (Mercadian Masques #245)

Ferocity {1}{G}

Enchantment — Aura

Enchant creature

Whenever enchanted creature blocks or becomes blocked, you may put a +1/+1 counter on it.

Illustrated by Pete Venters

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny