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 |
|---|---|---|---|
| Perplexing Chimera | 4U | Enchantment Creature — Chimera | Whenever an opponent casts a spell, you may exchange control of Perplexing Chimera and that spell. If you do, you may choose new targets for the spell. (If the spell becomes a permanent, you control that permanent.) 3/3 |
| Twinning Staff | 3 | Artifact | If you would copy a spell one or more times, instead copy it that many times plus an additional time. You may choose new targets for the additional copy. {7}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. |
| Kalamax, the Stormsire | 1GUR | Legendary Creature — Elemental Dinosaur | Whenever you cast your first instant spell each turn, if Kalamax, the Stormsire is tapped, copy that spell. You may choose new targets for the copy. Whenever you copy an instant spell, put a +1/+1 counter on Kalamax. 4/4 |
| Chain of Silence | 1W | Instant | Prevent all damage target creature would deal this turn. That creature's controller may sacrifice a land. If the player does, they may copy this spell and may choose a new target for that copy. |
| Malicious Affliction | BB | Instant | Morbid — When you cast this spell, if a creature died this turn, you may copy Malicious Affliction and may choose a new target for the copy. Destroy target nonblack creature. |
| Lithoform Engine | 4 | Legendary Artifact | {2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. {3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}, {T}: Copy target permanent spell you control. (The copy becomes a token.) |
| Double Vision | 3RR | Enchantment | Whenever you cast your first instant or sorcery spell each turn, copy that spell. You may choose new targets for the copy. |
| Strionic Resonator | 2 | Artifact | {2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.") |
| Aethersnatch | 4UU | Instant | Gain control of target spell. You may choose new targets for it. (If that spell becomes a permanent, it enters the battlefield under your control.) |
| Swarm Intelligence | 6U | Enchantment | Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy. |