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 |
|---|---|---|---|
| String of Disappearances | U | Instant | Return target creature to its owner's hand. Then that creature's controller may pay {U}{U}. If the player does, they may copy this spell and may choose a new target for that copy. |
| Chain Stasis | U | Instant | You may tap or untap target creature. Then that creature's controller may pay {2}{U}. If the player does, they may copy this spell and may choose a new target for that copy. |
| Chain of Plasma | 1R | Instant | Chain of Plasma deals 3 damage to any target. Then that player or that permanent's controller may discard a card. If the player does, they may copy this spell and may choose a new target for that copy. |
| Meletis Charlatan | 2U | Creature — Human Wizard | {2}{U}, {T}: The controller of target instant or sorcery spell copies it. That player may choose new targets for the copy. 2/3 |
| Resonance Technician | 3U/RU/R | Creature — Weird Detective | Flying When Resonance Technician enters the battlefield, you may discard a card. If you do, investigate twice. {T}, Tap X untapped artifacts you control: Copy target instant or sorcery spell you control with mana value X. You may choose new targets for the copy. 4/4 |
| Trial and Error | RR | Elemental Instant — Fire | Whenever Trial and Error is countered or fizzles, you may copy it and choose new targets for the copy. Trial and Error deals 3 damage to any target. |
| Primal Wellspring | Land | (Transforms from Primal Amulet.) {T}: Add one mana of any color. When that mana is spent to cast an instant or sorcery spell, copy that spell and you may choose new targets for the copy. | |
| Nivix Guildmage | UR | Creature — Human Wizard | {1}{U}{R}: Draw a card, then discard a card. {2}{U}{R}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. 2/2 |
| Mischievous Quanar | 4U | Creature — Beast | {3}{U}{U}: Turn Mischievous Quanar face down. Morph {1}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Mischievous Quanar is turned face up, copy target instant or sorcery spell. You may choose new targets for that copy. 3/3 |
| By Invitation Only | 3WW | Sorcery | Choose a number between 0 and 13. Each player sacrifices that many creatures. |