Guul Draz Assassin

“Level up 1B <em>(1B: Put a Level counter on this. Level up only as a sorcery.)</em> <br> [Level 2-3] B, T: Target creature gets -2/-2 until end of turn. [2/2] <br> [Level 4+] B, T: Target creature gets -4/-4 until end of turn. [4/4]”