Soul Exchange is one of the cheaper ways to achieve this, with only Reanimate and Exhume being more efficient
I was at first skeptical of Deduce, but it feels more powerful when compared to its predecessor, Think Twice
If you apply Pokey's third ability as a replacement effect to rolling a d20, other than the original effect that called for the d20 roll, all other game effects, including replacement effects and triggered abilities, recognize that you flipped a coin rather than rolled a d20
It immediately reminded me of a slot machine. Kraus sees Rips as having a classic gambling format built into the design, even leaning into colors, like orange, that users may find engaging
Probably would need to test it so see, I suppose