M:tG card similarity search
WU · Enchantment — Class
(Gain the next level as a sorcery to add its ability.) The second spell you cast each turn costs {1} less to cast. {W}{U}: Level 2 When this Class becomes level 2, return up to one target nonland permanent to its owner's hand. {1}{W}{U}: Level 3 At the beginning of your upkeep, exile the top card of your library. For as long as it remains exiled, it has "You may cast this card from exile as long as you've cast another spell this turn."
| Name | Mana | Type | Text |
|---|---|---|---|
| Siphon Insight | UB | Instant | Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. Flashback {1}{U}{B} |
| X | UB | Legendary Creature — Human Spy | As long as X is in X's owner's opponent's hand, X's owner may cast X and activate X's abilities. That opponent can't cast X and plays with their hand revealed. {U}{B}, {T}: Put X into target opponent's hand. {3}{U}{B}: You may play a land or cast a spell from the hand X is in. If you cast a spell this way, you cast it without paying its mana cost. 2/2 |
| Nightclub Bouncer | 2UU | Creature — Human Rogue | Flash When Nightclub Bouncer enters the battlefield, return target nonland permanent an opponent controls to its owner's hand. It perpetually gains "This spell costs {2} more to cast." 2/3 |
| Lashweed Lurker | 8 | Creature — Eldrazi Horror | Emerge {5}{G}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, you may put target nonland permanent on top of its owner's library. 5/4 |
| Knowledge Pool | 6 | Artifact | Imprint — When Knowledge Pool enters the battlefield, each player exiles the top three cards of their library. Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost. |
| Kadena, Slinking Sorcerer | 1BGU | Legendary Creature — Naga Wizard | The first face-down creature spell you cast each turn costs {3} less to cast. Whenever a face-down creature enters the battlefield under your control, draw a card. 3/3 |
| Locket of Yesterdays | 1 | Artifact | Spells you cast cost {1} less to cast for each card with the same name as that spell in your graveyard. |
| Hour of Revelation | 3WWW | Sorcery | This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield. Destroy all nonland permanents. |
| Ertai's Scorn | 1UU | Instant | This spell costs {U} less to cast if an opponent cast two or more spells this turn. Counter target spell. |
| Expensive Taste | 2B | Instant — Adventure | Exile the top two cards of target opponent's library face down. You may look at and play those cards for as long as they remain exiled. |