M:tG card similarity search
2B · Enchantment
At the beginning of your upkeep, repeat the following process for each opponent in turn order. Reveal the top card of your library. That player may pay life equal to that card's mana value. If they do, exile that card. Otherwise, put it into your hand.
| Name | Mana | Type | Text |
|---|---|---|---|
| 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. |
| Ensnared by the Mara | 2RR | Sorcery | Each opponent faces a villainous choice — They exile cards from the top of their library until they exile a nonland card, then you may cast that card without paying its mana cost, or that player exiles the top four cards of their library and Ensnared by the Mara deals damage equal to the total mana value of those exiled cards to that player. |
| Hidetsugu, Devouring Chaos | 3B | Legendary Creature — Ogre Demon | {B}, Sacrifice a creature: Scry 2. {2}{R}, {T}: Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value to any target. 4/4 |
| Precognition | 4U | Enchantment | At the beginning of your upkeep, you may look at the top card of target opponent's library. If you do, you may put that card on the bottom of that player's library. |
| Xander's Pact | 4BB | Sorcery | Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell.) Each opponent exiles the top card of their library. You may cast spells from among those cards this turn. If you cast a spell this way, pay life equal to that spell's mana value rather than pay its mana cost. |
| Soulfire Eruption | 6RRR | Sorcery | Choose any number of target creatures, planeswalkers, and/or players. For each of them, exile the top card of your library, then Soulfire Eruption deals damage equal to that card's mana value to that permanent or player. You may play the exiled cards until the end of your next turn. |
| Cerebral Eruption | 2RR | Sorcery | Target opponent reveals the top card of their library. Cerebral Eruption deals damage equal to the revealed card's mana value to that player and each creature that player controls. If a land card is revealed this way, return Cerebral Eruption to its owner's hand. |
| Cabaretti Ascendancy | RGW | Enchantment | At the beginning of your upkeep, look at the top card of your library. If it's a creature or planeswalker card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it on the bottom of your library. |
| Stronghold Arena | 1B | Enchantment | Kicker {G} and/or {W} (You may pay an additional {G} and/or {W} as you cast this spell.) When Stronghold Arena enters the battlefield, you gain 3 life for each time it was kicked. Whenever one or more creatures you control deal combat damage to a player, you may reveal the top card of your library and put it into your hand. If you do, you lose life equal to its mana value. |
| Counterbalance | UU | Enchantment | Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card. |