Fluttershy

Legendary Creature — Pegasus0/4$36.62

Defender, flying {1}, {T}: Put a +1/+1 counter on each creature with a tail target player controls. Stare down up to one target creature until end of turn. (It can't attack or block as long as you're looking directly at it.)

Not legal in Commander

View Fluttershy on Scryfall