M:tG card similarity search
1U · Artifact — Clue
As Ominous Lockbox enters the battlefield, secretly choose a number between 1 and 20. When an opponent casts a spell with mana value equal to the chosen number, sacrifice Ominous Lockbox. If you do, copy that spell, and you may choose new targets for the copy. {2}, Sacrifice Ominous Lockbox: Draw a card.
| Name | Mana | Type | Text |
|---|---|---|---|
| Replication Technique | 4U | Sorcery | Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.) Create a token that's a copy of target permanent you control. |
| Daring Apprentice | 1UU | Creature — Human Wizard | {T}, Sacrifice Daring Apprentice: Counter target spell. 1/1 |
| Zoyowa's Justice | 1R | Instant | The owner of target artifact or creature with mana value 1 or greater shuffles it into their library. Then that player discovers X, where X is its mana value. (They exile cards from the top of their library until they exile a nonland card with that mana value or less. They cast it without paying its mana cost or put it into their hand. They put the rest on the bottom in a random order.) |
| Jori En, Ruin Diver | 1UR | Legendary Creature — Merfolk Wizard | Whenever you cast your second spell each turn, draw a card. 2/3 |
| Marshland Bloodcaster | 4B | Creature — Vampire Warlock | Flying {1}{B}, {T}: Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value. 3/5 |
| Swarm of Rats | 1B | Creature — Rat | Swarm of Rats's power is equal to the number of Rats you control. */1 |
| Triarch Stalker | 3BB | Artifact Creature — Necron | Targeting Relay — At the beginning of combat on your turn, choose an opponent. Creatures attacking the last chosen player have menace. 4/5 |
| Spark of Creativity | R | Sorcery | Choose target creature. Exile the top card of your library. You may have Spark of Creativity deal damage to that creature equal to the exiled card's mana value. If you don't, you may play that card until end of turn. |
| Grozoth | 6UUU | Creature — Leviathan | Defender (This creature can't attack.) When Grozoth enters the battlefield, you may search your library for any number of cards that have mana value 9, reveal them, put them into your hand, then shuffle. {4}: Grozoth loses defender until end of turn. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.) 9/9 |
| Deekah, Fractal Theorist | 4U | Legendary Creature — Human Wizard | Magecraft — Whenever you cast or copy an instant or sorcery spell, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is that spell's mana value. {3}{U}: Target creature token can't be blocked this turn. 3/3 |