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
Stormkeld Prowler 1UCreature — Human Rogue Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on Stormkeld Prowler. 2/1
Zask, Skittering Swarmlord 3GGLegendary Creature — Insect You may play lands and cast Insect spells from your graveyard. Whenever another Insect you control dies, put it on the bottom of its owner's library, then mill two cards. (Put the top two cards of your library into your graveyard.) {1}{B/G}: Target Insect gets +1/+0 and gains deathtouch until end of turn. ({B/G} can be paid with either {B} or {G}.) 5/5
Gibbering Descent 4BBEnchantment At the beginning of each player's upkeep, that player loses 1 life and discards a card. Hellbent — Skip your upkeep step if you have no cards in hand. Madness {2}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Paradigm Shift 1USorcery Exile all cards from your library. Then shuffle your graveyard into your library.
Wave of Terror 2BEnchantment Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your draw step, destroy each creature with mana value equal to the number of age counters on Wave of Terror. They can't be regenerated.
Cabal Conditioning 6BSorcery Any number of target players each discard a number of cards equal to the highest mana value among permanents you control.
Citystalker Connoisseur 3BCreature — Vampire Deathtouch When Citystalker Connoisseur enters the battlefield, target opponent discards a nonland card with the greatest mana value among cards in their hand. Create a Blood token. 3/3
Obeka, Brute Chronologist 1UBRLegendary Creature — Ogre Wizard {T}: The player whose turn it is may end the turn. (Exile all spells and abilities from the stack. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.) 3/4
Turn into a Pumpkin 3UInstant Return target nonland permanent to its owner's hand. Draw a card. Adamant — If at least three blue mana was spent to cast this spell, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
Rootwater Shaman 2UCreature — Merfolk Shaman You may cast Aura spells with enchant creature as though they had flash. 2/2
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