inferno x japanese booster box (TCG) Inferno X is a strong choice. Pokemon Inferno X M2 Japanese

Ritual Monster4

Absorption issues

But, it is finding products for the right price thats tricky, AKA not paying exorbitant mark-up prices set by scalpers and certain retail stores

It obviously turns off engine pieces in the mid-late game too, but Im way more interested in the applications of this in a cEDH deck Ill be honest

Mutate it from the command zone onto something coola creature with double strike seems pretty saucyand then if it gets killed, simply let it go to the graveyard instead of the command zoneand no tax

For instance, Crown Zeniths ~69% ROI means you still lose ~31% of the pack cost on average (reddit.com)