Card Codex

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17 May 2024: Card library updated.

The Ruinous Powers

2BR · Enchantment

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.

Similar cards

Color identity:
NameManaTypeText
One with the Machine 3USorcery Draw cards equal to the highest mana value among artifacts you control.
Megatron, Tyrant 3RWBLegendary Artifact Creature — Robot More Than Meets the Eye {1}{R}{W}{B} (You may cast this card converted for {1}{R}{W}{B}.) Your opponents can't cast spells during combat. At the beginning of your postcombat main phase, you may convert Megatron. If you do, add {C} for each 1 life your opponents have lost this turn. 7/5
The Wedding of River Song 2WSorcery Draw two cards, then you may exile a nonland card from your hand with a number of time counters on it equal to its mana value. Then target opponent does the same. Cards exiled this way that don't have suspend gain suspend. Time travel. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)
Distended Mindbender 8Creature — Eldrazi Insect Emerge {5}{B}{B} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, target opponent reveals their hand. You choose from it a nonland card with mana value 3 or less and a card with mana value 4 or greater. That player discards those cards. 5/5
Herigast, Erupting Nullkite 9Legendary Creature — Eldrazi Dragon Emerge {6}{R}{R} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, you may exile your hand. If you do, draw three cards. Flying Each creature spell you cast has emerge. The emerge cost is equal to its mana cost. 6/6
Unclaimed Territory Land As Unclaimed Territory enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.
Honored Heirloom 3Artifact {T}: Add one mana of any color. {2}, {T}: Exile target card from a graveyard.
Storm Cauldron 5Artifact Each player may play an additional land during each of their turns. Whenever a land is tapped for mana, return it to its owner's hand.
Ashiok, Nightmare Muse 3UBLegendary Planeswalker — Ashiok [+1]: Create a 2/3 blue and black Nightmare creature token with "Whenever this creature attacks or blocks, each opponent exiles the top two cards of their library." [−3]: Return target nonland permanent to its owner's hand, then that player exiles a card from their hand. [−7]: You may cast up to three spells from among face-up cards your opponents own from exile without paying their mana costs. Loyalty 5
Lotus Guardian 7Artifact Creature — Dragon Flying {T}: Add one mana of any color. 4/4
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