Coil-Head, War Weapon

Vigilance, deathtouch.
Coil-Head, War Weapon must be blocked if able. Whenever it becomes blocked, defending player chooses one:
•Watch: Tap target creature defending player controls, its controller may choose not to untap it during their untap step. if they do, Tap Coil-Head, War weapon, it doesn't untap during your untap step.
•Run: Remove blocking creature from combat. Destroy a different creature the defender controls.

At the beginning of your upkeep, if Coil-Head, War weapon is tapped, draw