Armix, Filigree Thrasher is a uncommon Legendary Artifact Creature — Golem card from Commander Legends (CMR), collector number 108. Current market price: $0.33 (foil $0.27), TCGplayer market prices via Scryfall.
Whenever Armix attacks, you may discard a card. When you do, target creature defending player controls gets -X/-X until end of turn, where X is the number of artifacts you control plus the number of artifact cards in your graveyard. Partner (You can have two commanders if both have partner.)