Sylvan Might 
Instant
Target creature gets +2/+2 and gains trample until end of turn.
Flashback 
(You may cast this card from your graveyard for its flashback cost. Then exile it.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL