M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Derelor | 3B | Creature — Thrull | Black spells you cast cost {B} more to cast. 4/4 |
| Jade Leech | 2GG | Creature — Leech | Green spells you cast cost {G} more to cast. 5/5 |
| Allure of the Unknown | 3BR | Sorcery | Reveal the top six cards of your library. An opponent exiles a nonland card from among them, then you put the rest into your hand. That opponent may cast the exiled card without paying its mana cost. |
| Shaman's Trance | 2R | Instant | Other players can't play lands or cast spells from their graveyards this turn. You may play lands and cast spells from other players' graveyards this turn as though those cards were in your graveyard. |
| Alabaster Leech | W | Creature — Leech | White spells you cast cost {W} more to cast. 1/3 |
| Greatest Show in the Multiverse | 7 | Artifact Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) As an additional cost to cast this spell, exile five instant and/or sorcery cards you own with the same artist and different names from outside the game. I, II, III — Choose one of the exiled cards at random. You may cast it without paying its mana cost. |
| Press the Enemy | 2UU | Instant | Return target spell or nonland permanent an opponent controls to its owner's hand. You may cast an instant or sorcery spell with equal or lesser mana value from your hand without paying its mana cost. |
| Massacre | 2BB | Sorcery | If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost. All creatures get -2/-2 until end of turn. |
| Twilight's Call | 4BB | Sorcery | You may cast Twilight's Call as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.) Each player returns all creature cards from their graveyard to the battlefield. |
| Marvo, Deep Operative | 3UB | Legendary Creature — Octopus Rogue | Whenever Marvo, Deep Operative attacks, clash with defending player. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) Whenever you win a clash, draw a card. Then you may cast a spell from your hand with mana value 8 or less without paying its mana cost. 1/8 |