Ninja's Kunai
Artifact — Equipment
Equipped creature has ", 
, Sacrifice Ninja's Kunai: Ninja's Kunai deals 3 damage to any target."
Equip (: Attach to target creature you control. Equip only as a sorcery.)
A point to pierce flesh and spirit alike.
Tomasz Jedruszek
Kamigawa: Neon Dynasty (NEO)
• #252Rulings
If a player gains control of a creature equipped with an opponent's Ninja's Kunai without also gaining control of the Equipment, they cannot activate the ability it grants the equipped creature because you cannot sacrifice permanents you don't control.
(wotc • 2022-02-18)
Rulings
If a player gains control of a creature equipped with an opponent's Ninja's Kunai without also gaining control of the Equipment, they cannot activate the ability it grants the equipped creature because you cannot sacrifice permanents you don't control.
(wotc • 2022-02-18)