M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Mana Reflection | 4GG | Enchantment | If you tap a permanent for mana, it produces twice as much of that mana instead. |
| Dubious Challenge | 3G | Sorcery | Look at the top ten cards of your library, exile up to two creature cards from among them, then shuffle. Target opponent may choose one of the exiled cards and put it onto the battlefield under their control. Put the rest onto the battlefield under your control. |
| Gate to the Aether | 6 | Artifact | At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield. |
| Stromgald Spy | 3B | Creature — Human Rogue | Whenever Stromgald Spy attacks and isn't blocked, you may have defending player play with their hand revealed for as long as Stromgald Spy remains on the battlefield. If you do, Stromgald Spy assigns no combat damage this turn. 2/4 |
| Cruel Deceiver | 1B | Creature — Spirit | {1}: Look at the top card of your library. {2}: Reveal the top card of your library. If it's a land card, Cruel Deceiver gains "Whenever Cruel Deceiver deals damage to a creature, destroy that creature" until end of turn. Activate only once each turn. 2/1 |
| Don't Blink | 1U | Instant | Until end of turn, if one or more creatures would enter the battlefield from exile or after being cast from exile, their owners shuffle them into their libraries instead. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Yawgmoth's Agenda | 3BB | Enchantment | You can't cast more than one spell each turn. You may play lands and cast spells from your graveyard. If a card would be put into your graveyard from anywhere, exile it instead. |
| Sea Gate | Land — Gate | Sea Gate enters the battlefield tapped. As Sea Gate enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color. | |
| Thriving Isle | Land | Thriving Isle enters the battlefield tapped. As Thriving Isle enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color. | |
| Juggle the Performance | 1BR | Sorcery | Each player discards their hand, then conjures a duplicate of each of seven random cards from the library of the player to their right into their hand. The duplicates perpetually gain "Mana of any type can be spent to cast this spell." |