Doctor Strange, Lost to Time

Prowess (Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn)

Protection from white, black and green

Time Warp - Whenever you cast your first instant
or sorcery spell each turn, you may pay {x}{u}{r}{u}{r},
if you do, after your next endstep, you take X additional turns.