Downsize 
Instant
Target creature you don't control gets -4/-0 until end of turn.
Overload 
(You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL