Card Codex

M:tG card similarity search

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
Siphon Insight UBInstant Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. Flashback {1}{U}{B}
Rogue Class UBEnchantment — Class (Gain the next level as a sorcery to add its ability.) Whenever a creature you control deals combat damage to a player, exile the top card of that player's library face down. You may look at it for as long as it remains exiled. {1}{U}{B}: Level 2 Creatures you control have menace. {2}{U}{B}: Level 3 You may play cards exiled with Rogue Class, and you may spend mana as though it were mana of any color to cast those spells.
Apex of Power 7RRRSorcery Exile the top seven cards of your library. Until end of turn, you may cast spells from among them. If this spell was cast from your hand, add ten mana of any one color.
Intellect Devourer 3BCreature — Horror Devour Intellect — When Intellect Devourer enters the battlefield, each opponent exiles a card from their hand until Intellect Devourer leaves the battlefield. Body Thief — You may play lands and cast spells from among cards exiled with Intellect Devourer. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it. 2/4
Opposition Agent 2BCreature — Human Rogue Flash You control your opponents while they're searching their libraries. While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them. 3/2
Meeting of the Five 3WUBRGSorcery Exile the top ten cards of your library. You may cast spells with exactly three colors from among them this turn. Add {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Spend this mana only to cast spells with exactly three colors.
Author of Shadows 4BCreature — Shade Warlock When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. 3/3
Rahilda, Feral Outlaw Legendary Creature — Werewolf Double strike When Rahilda, Feral Outlaw deals combat damage to a player, exile a nonland card from their library at random. During any turn you attacked with a Wolf or Werewolf, you may cast that card and you may spend mana as though it were mana of any color to cast that spell. Nightbound 2/2
Arvinox, the Mind Flail 4BBBLegendary Enchantment Creature — Horror Arvinox, the Mind Flail isn't a creature unless you control three or more permanents you don't own. At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells. 9/9
Hotel of Fears Plane — Spacecraft At the beginning of your upkeep, exile the top card of your library. You lose life equal to its mana value. You may play that card this turn. Praise Him — Whenever chaos ensues, choose a color. Put X +1/+1 counters on target creature you control, where X is your devotion to that color. Then sacrifice another creature. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)
Page 3