Campbriar

Whenever a creature an opponent controls
becomes tapped, if it isn't being declared as an
attacker, Campbriar deals 3 damage to it.
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Despite their toothy appearance, Campbriars can
actually be tamed, and are often found in the arsenal
of bandit ambushers. Nothing quite drops gold faster
than a fire with teeth.
Artwork/creature source:
https://www.youtube.com/watch?v=irikdxV84X4