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 Shapeshifter's Marrow becomes a copy of that card. (If it does, it loses this ability.)
Shapeshifter's Marrow [Future Sight]
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![Shapeshifter's Marrow [Future Sight]](http://invasioncnc.ca/cdn/shop/files/48cb3fa8-555f-4df6-994e-cf01896f7470_41c37abb-6ef8-4944-ba31-ef6bd810e0f2.png?v=1762976574&width={width})
