Perrie, the Pulverizer is a mythic Legendary Creature — Rhino Soldier card from New Capenna Commander (NCC), collector number 107. Current market price: $0.49 (foil $0.74), TCGplayer market prices via Scryfall.
When Perrie enters, put a shield counter on target creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Whenever Perrie attacks, target creature you control gains trample and gets +X/+X until end of turn, where X is the number of different kinds of counters among permanents you control.