Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 2-3
2/2
, : Target creature gets -2/-2 until end of turn.
LEVEL 4+
4/4
, : Target creature gets -4/-4 until end of turn.
(: Put a level counter on this. Level up only as a sorcery.), 
: Target creature gets -2/-2 until end of turn., : Target creature gets -4/-4 until end of turn.