Exile target nonland permanent. Its controller incubates X, where X is its mana value. (They create an Incubator token with X +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Backup 2 (When this creature enters the battlefield, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.)

Menace

When Norn's Inquisitor enters the battlefield, incubate 2. (Create an Incubator token with two +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Whenever a permanent you control transforms into a Phyrexian, put a +1/+1 counter on it.

Create a 3/3 green Phyrexian Beast creature token with toxic 1. (Players dealt combat damage by it also get a poison counter.)

Corrupted — As long as an opponent has three or more poison counters and Viral Spawning is in your graveyard, it has flashback . (You may cast this card from your graveyard for its flashback cost. Then exile it.)