Mysterious Stranger

Buyback: Roll a 2, 4, or 6 on a six sided die
Only cast this spell during combat after blockers
have been declared.Create a 2/2 Indestructible
Stranger Token with haste, first strike, and deathtouch.
When the Mysterious Stranger token enters the
battlefield, it must fight target creature defending
player controls that has been assigned to block
another creature.