Brass Knuckles

Artifact — Equipment • Mana cost: {4} • Commander Masters • Common

When you cast this spell, copy it. (The copy becomes a token.)
Equipped creature has double strike as long as two or more Equipment are attached to it.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Illustrated by Yeong-Hao Han.