Horius Aile, Blade of Asmodeus

Hour — When Horius Aile, Blade of Asmodeus
enters the battlefield, if you control no other
creatures, it gains haste until end of turn.
Minute — Whenever Horius Aile, Blade of
Asmodeus becomes blocked by a creature, tap
that creature. It doesn't untap during its
controller's next untap step.