Control. Alt. Delete.

Cleave {3}{u/r}{b/r}{u/b}
If {r}{r} was paid to cast this spell, gain control of target creature [until end of turn]. Untap it and it
gains haste.
If {u}{u} was paid to cast this spell, change the
target of target spell [to another target with the
same owner].
If {b}{b} was paid to cast this spell, destroy target creature [with mana value 3 or less].