Fathomless descent — Each creature card in your graveyard perpetually gets +X/+X, where X is the number of permanent cards in your graveyard. Then return a creature card from your graveyard to the battlefield.
Fathomless descent
Format Legality
Standard Not_legal
Pioneer Not_legal
Modern Not_legal
Legacy Not_legal
Vintage Not_legal
Commander Not_legal
Pauper Not_legal
