Nazgul Battle-Mace (Borderless) (510) [Commander: The Lord of the Rings: Tales of Middle-earth]

Equipped creature has menace, deathtouch, annihilator 1, and "Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control unless that player pays 3 life." (Whenever a creature with annihilator 1 attacks, defending player sacrifices a permanent.)
Equip {1}