Colossal Chorus 
Sorcery — Chorus
Starting intensity 2 Conjure X cards named Colossal Dreadmaw onto the battlefield, where X is this spell's intensity. All Chorus cards you own intensify by 1.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL