Heartfire Hero (BLB-138) - Bloomburrow

Creature — Mouse Soldier · {R} · 1/1

Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it.
When this creature dies, it deals damage equal to its power to each opponent.

Bloomburrow #138 · uncommon · Art by Jakub Kasper