M:tG card similarity search
1BR · Enchantment
At the beginning of your upkeep, exile the top card of your library. During your turn, if an opponent lost life this turn, you may play lands and cast spells from among cards exiled with Theater of Horrors. {3}{R}: Theater of Horrors deals 1 damage to target opponent or planeswalker.
| Name | Mana | Type | Text |
|---|---|---|---|
| Lightning Rift | 1R | Enchantment | Whenever a player cycles a card, you may pay {1}. If you do, Lightning Rift deals 2 damage to any target. |
| Do-Over | 1U | Instant | Restart the turn, except with Do-Over in exile. (First, return all cards to where they were as the turn began. For information from hidden zones like the hand, reconstruct as best you can, and do the rest at random.) |
| Thran Foundry | 1 | Artifact | {1}, {T}, Exile Thran Foundry: Target player shuffles their graveyard into their library. |
| Identity Crisis | 2WWBB | Sorcery | Exile all cards from target player's hand and graveyard. |
| Rekindled Flame | 2RR | Sorcery | Rekindled Flame deals 4 damage to any target. At the beginning of your upkeep, if an opponent has no cards in hand, you may return Rekindled Flame from your graveyard to your hand. |
| Spinning Darkness | 4BB | Instant | You may exile the top three black cards of your graveyard rather than pay this spell's mana cost. Spinning Darkness deals 3 damage to target nonblack creature. You gain 3 life. |
| Hour of Devastation | 3RR | Sorcery | All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker. |
| Hellfire Mongrel | 2R | Creature — Elemental Dog | At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Hellfire Mongrel deals 2 damage to that player. 2/2 |
| Landslide | R | Sorcery | Sacrifice any number of Mountains. Landslide deals that much damage to target player or planeswalker. |
| March of Wretched Sorrow | XB | Instant | As an additional cost to cast this spell, you may exile any number of black cards from your hand. This spell costs {2} less to cast for each card exiled this way. March of Wretched Sorrow deals X damage to target creature or planeswalker and you gain X life. |