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 |
|---|---|---|---|
| Rivalry | 2R | Enchantment | At the beginning of each player's upkeep, if that player controls more lands than each other player, Rivalry deals 2 damage to them. |
| Fodder Tosser | 3 | Artifact | {T}, Discard a card: Fodder Tosser deals 2 damage to target player or planeswalker. |
| Bolas's Citadel | 3BBB | Legendary Artifact | You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life. |
| Dimensional Breach | 5WW | Sorcery | Exile all permanents. For as long as any of those cards remain exiled, at the beginning of each player's upkeep, that player returns one of the exiled cards they own to the battlefield. |
| Copper Tablet | 2 | Artifact | At the beginning of each player's upkeep, Copper Tablet deals 1 damage to that player. |
| Rod of Spanking | 1 | Artifact | {2}, {T}: Rod of Spanking deals 1 damage to target player. Then untap Rod of Spanking unless that player says "Thank you, sir. May I have another?" |
| A-Ardent Dustspeaker | 2R | Creature — Minotaur Shaman | Whenever Ardent Dustspeaker attacks, you may put an instant or sorcery card from your graveyard on the bottom of your library. If you do, exile the top two cards of your library. You may play those cards this turn. 3/2 |
| Sleeper Agent | B | Creature — Phyrexian Minion | When Sleeper Agent enters the battlefield, target opponent gains control of it. At the beginning of your upkeep, Sleeper Agent deals 2 damage to you. 3/3 |
| Quicksilver Sea | Plane — Mirrodin | When you planeswalk to Quicksilver Sea or at the beginning of your upkeep, scry 4. (Look at the top four cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) Whenever chaos ensues, reveal the top card of your library. You may play it without paying its mana cost. | |
| Fallen Shinobi | 3UB | Creature — Zombie Ninja | Ninjutsu {2}{U}{B} ({2}{U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Fallen Shinobi deals combat damage to a player, that player exiles the top two cards of their library. Until end of turn, you may play those cards without paying their mana costs. 5/4 |