M:tG card similarity search
2RR · Enchantment
At the beginning of your upkeep, exile the top card of your library. You may play that card this turn. At the beginning of your end step, if you didn't play a card from exile this turn, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
| Name | Mana | Type | Text |
|---|---|---|---|
| Battle of Wits | 3UU | Enchantment | At the beginning of your upkeep, if you have 200 or more cards in your library, you win the game. |
| Brainstealer Dragon | 5BB | Creature — Dragon Horror | Flying At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it. Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value. 6/6 |
| Syr Carah, the Bold | 3RR | Legendary Creature — Human Knight | Whenever Syr Carah, the Bold or an instant or sorcery spell you control deals damage to a player, exile the top card of your library. You may play that card this turn. {T}: Syr Carah deals 1 damage to any target. 3/3 |
| Praetor's Grasp | 1BB | Sorcery | Search target opponent's library for a card and exile it face down. Then that player shuffles. You may look at and play that card for as long as it remains exiled. |
| Case of the Locked Hothouse | 3G | Enchantment — Case | You may play an additional land on each of your turns. To solve — You control seven or more lands. (If unsolved, solve at the beginning of your end step.) Solved — You may look at the top card of your library any time, and you may play lands and cast creature and enchantment spells from the top of your library. |
| Windriddle Palaces | Plane — Belenon | Players play with the top card of their libraries revealed. You may play lands and cast spells from the top of any player's library. Whenever chaos ensues, each player mills a card. | |
| Magus of the Future | 2UUU | Creature — Human Wizard | Play with the top card of your library revealed. You may play lands and cast spells from the top of your library. 2/3 |
| 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.) | |
| Temporal Aperture | 2 | Artifact | {5}, {T}: Shuffle your library, then reveal the top card. Until end of turn, for as long as that card remains on top of your library, play with the top card of your library revealed and you may play that card without paying its mana cost. (If it has X in its mana cost, X is 0.) |
| Cunning Rhetoric | 2B | Enchantment | Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it. |