Warhammer 40,000 Commander · #139
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At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value.
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The Ruinous Powers (40K-139 foil) is a black-red enchantment from the Warhammer 40,000 Commander set. At the beginning of your upkeep you exile the top card of a randomly chosen opponent's library and may play that card this turn, with mana usable as any color to cast it. Whenever you cast a spell this way, the spell's owner loses life equal to its mana value, making it both a looting/steal engine and a tax-like damage source.
Catalog pricing data as of 5 May 2026, 10:29
