Territorial Strike 
Sorcery
As an additional cost to cast this spell, you may behold a Dragon creature. Destroy target nonland permanent. If a Dragon creature was beheld, it perpetually gets +2/+2.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL