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 |
|---|---|---|---|
| Primordial Sage | 4GG | Creature — Spirit | Whenever you cast a creature spell, you may draw a card. 4/5 |
| In the Eye of Chaos | 2U | World Enchantment | Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value. |
| Pernicious Deed | 1BG | Enchantment | {X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less. |
| Change the Equation | 1U | Instant | Choose one — • Counter target spell with mana value 2 or less. • Counter target red or green spell with mana value 6 or less. |
| Three Dog, Galaxy News DJ | 1RW | Legendary Creature — Human Bard | Whenever you attack, you may pay {2} and sacrifice an Aura attached to Three Dog, Galaxy News DJ. When you sacrifice an Aura this way, for each other attacking creature you control, create a token that's a copy of that Aura attached to that creature. 1/5 |
| Eye of the Storm | 5UU | Enchantment | Whenever a player casts an instant or sorcery card, exile it. Then that player copies each instant or sorcery card exiled with Eye of the Storm. For each copy, the player may cast the copy without paying its mana cost. |
| Robobrain War Mind | 3U | Artifact Creature — Robot | Robobrain War Mind's power is equal to the number of cards in your hand. When Robobrain War Mind enters the battlefield, you get an amount of {E} (energy counters) equal to the number of artifact creatures you control. Whenever Robobrain War Mind attacks, you may pay {E}{E}{E}. If you do, draw a card. */5 |
| Coal Golem | 5 | Artifact Creature — Golem | {3}, Sacrifice Coal Golem: Add {R}{R}{R}. 3/3 |
| Composite Golem | 6 | Artifact Creature — Golem | Sacrifice Composite Golem: Add {W}{U}{B}{R}{G}. 4/4 |
| Crosis's Attendant | 5 | Artifact Creature — Golem | {1}, Sacrifice Crosis's Attendant: Add {U}{B}{R}. 3/3 |