
At the beginning of each opponent's upkeep, that player reveals the top card of their library. If it's a creature card, the player puts the card into their graveyard and this enchantment becomes a copy of that card. (If it does, it loses this ability.)
Shapeshifter's Marrow has 1 printing, first in Future Sight (2007). EDHREC ranks it #26,229 among Commander cards. It appears most in Halfdane decks (20 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.