Ugin's Epiphany

This spell costs {2} less to cast and can't be countered if you control an Ugin planeswalker.
Exile target nonland permanent that's one
or more colors. Create a 2/2 colorless Spirit creature token.
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Easter Egg Challenge: Make a mono-colored commander with {a}{a}{a}{a}{a} as its mana cost. (e.g. {w}{w}{w}{w}{w})