Soul of New Phyrexia is a mythic Artifact Creature — Phyrexian Avatar card from Magic 2015 Promos (PM15), collector number 231p. Current market price: $1.95 (foil $6.75), TCGplayer market prices via Scryfall.
Trample {5}: Permanents you control gain indestructible until end of turn. {5}, Exile this card from your graveyard: Permanents you control gain indestructible until end of turn.