Aggressive Biomancy 
Sorcery
Create X tokens that are copies of target creature you control, except they have "When this token enters, it fights up to one target creature you don't control."
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL