Progenitor Exarch is a rare Creature — Phyrexian Cat Cleric card from March of the Machine Promos (PMOM), collector number 32s. Current market price: — (foil $1.03), TCGplayer market prices via Scryfall.
When this creature enters, incubate 3 X times. (To incubate 3, create an Incubator token with three +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.) {T}: Transform target Incubator token you control.