Bear with Set's Mechanic 

Creature — Bear
Vigilance Aggressive (During your turn, there is an additional combat phase after the first, and only creatures with aggressive may attack during it.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL