The Headless Horseman

When The Headless Horseman enters the battlefield, create a colorless artifact equipment
token named Horseman's Head with "Equipped creatures named The Headless Horseman have indestructible. When the equipped creature is
dealt damage, unequip this at the end of the turn.
Equip {3}."
When The Headless Horseman dies, sacrifice all artifacts you control named Horseman's Head.