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Armageddon From casual to competitive, almost everyone knows Armageddon
Plus, apart from being tribal Wizards, Mairsil, the Pretender is a great build-around-me commander that can go a bunch of different directions, and Kess, Dissident Mage opens the door for a sweet Grixis spellslinger build
Then it fights up to one target creature you don't control
Turning symmetrical stax and chaos effects into your personal value engines
Ive packed my deck with all the eligible Kamigawa Dragons and slammed reanimation like Karmic Guide and Body Launderer (who is an absolutely house in this deck)