You may put a +1/+1 counter on a creature. Then choose odd or even. Return each creature with power of the chosen quality to its owner's hand. (Zero is even.)
There exists a theoretical infinity between the discrete atoms of reality. I'm simply appropriating that infinity as storage space.
![Zimone's Hypothesis (Extended Art) [Duskmourn: House of Horror Commander]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/12df1adc-350d-52fd-8206-83ae1a1c3742.png?v=1771006265&width=1445)