Seize the Day 
Sorcery
Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.
Flashback 
(You may cast this card from your graveyard for its flashback cost. Then exile it.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL