Viral Spawning [Phyrexia: All Will Be One]

Create a 3/3 green Phyrexian Beast creature token with toxic 1. (Players dealt combat damage by this creature 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 2G. (You may cast this card from your graveyard for its flashback cost. Then exile it.)