when headsplitter enters the battlefield, creature a 1/1 black assassin creature token with menace, then attach headsplitter to it.
equipped creature gets +1/+0.
equip 2 (2: attach to target creature you control. equip only as a sorcery.)
equipped creature gets +1/+0.
equip 2 (2: attach to target creature you control. equip only as a sorcery.)
<em>your own personal problem-solver</em>