Types:
Artifact Creature — Construct
Card Text:
When Phyrexian Devourer's power is 7 or greater, sacrifice it.
Exile the top card of your library: Put X +1/+1 counters on Phyrexian Devourer, where X is the exiled card's converted mana cost. If Phyrexian Devourer's power is 7 or greater, sacrifice it.