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 |
|---|---|---|---|
| Ink-Treader Nephilim | RGWU | Creature — Nephilim | Whenever a player casts an instant or sorcery spell, if that spell targets only Ink-Treader Nephilim, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures. 3/3 |
| Psychic Rebuttal | 1U | Instant | Counter target instant or sorcery spell that targets you. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you may copy the spell countered this way. You may choose new targets for the copy. |
| Mirror-Shield Hoplite | RW | Creature — Human Soldier | Vigilance Whenever a creature you control becomes the target of a backup ability, copy that ability. You may choose new targets for the copy. This ability triggers only once each turn. 2/2 |
| Thousand-Year Storm | 4UR | Enchantment | Whenever you cast an instant or sorcery spell, copy it for each other instant and sorcery spell you've cast before it this turn. You may choose new targets for the copies. |
| Chandra, the Firebrand | 3R | Legendary Planeswalker — Chandra | [+1]: Chandra, the Firebrand deals 1 damage to any target. [−2]: When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. [−6]: Chandra, the Firebrand deals 6 damage to each of up to six targets. Loyalty 3 |
| Beamsplitter Mage | UR | Creature — Vedalken Wizard | Whenever you cast an instant or sorcery spell that targets only Beamsplitter Mage, if you control one or more other creatures that spell could target, choose one of those creatures. Copy that spell. The copy targets the chosen creature. 2/2 |
| Gluetius Maximus | 3GG | Creature — Beast | As Gluetius Maximus enters the battlefield, an opponent chooses one of your fingers. (Thumbs are fingers, too.) When the chosen finger isn't touching Gluetius Maximus, sacrifice Gluetius Maximus. 5/5 |
| Double Major | GU | Instant | Copy target creature spell you control, except it isn't legendary if the spell is legendary. (A copy of a creature spell becomes a token.) |
| Emissary of Grudges | 5R | Creature — Efreet | Flying, haste As Emissary of Grudges enters the battlefield, secretly choose an opponent. Reveal the player you chose: Choose new targets for target spell or ability if it's controlled by the chosen player and if it targets you or a permanent you control. Activate only once. 6/5 |
| Leori, Sparktouched Hunter | URW | Legendary Creature — Elemental Cat | Flying, vigilance Whenever Leori, Sparktouched Hunter deals combat damage to a player, choose a planeswalker type. Until end of turn, whenever you activate an ability of a planeswalker of that type, copy that ability. You may choose new targets for the copies. 3/3 |