Extinction Event 
Sorcery
Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Sorcery
Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)