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 |
|---|---|---|---|
| Welding Jar | 0 | Artifact | Sacrifice Welding Jar: Regenerate target artifact. |
| Nimble Innovator | 3U | Creature — Vedalken Artificer | When Nimble Innovator enters the battlefield, draw a card. 2/2 |
| Silence | W | Instant | Your opponents can't cast spells this turn. |
| Shoulder to Shoulder | 2W | Sorcery | Support 2. (Put a +1/+1 counter on each of up to two target creatures.) Draw a card. |
| Ashling, the Extinguisher | 2BB | Legendary Creature — Elemental Shaman | Whenever Ashling, the Extinguisher deals combat damage to a player, choose target creature that player controls. The player sacrifices that creature. 4/4 |
| Arrow Volley Trap | 3WW | Instant — Trap | If four or more creatures are attacking, you may pay {1}{W} rather than pay this spell's mana cost. Arrow Volley Trap deals 5 damage divided as you choose among any number of target attacking creatures. |
| Bolas's Citadel | 3BBB | Legendary Artifact | You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life. |
| Tormented Thoughts | 2B | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Target player discards a number of cards equal to the sacrificed creature's power. |
| Kavu Climber | 3GG | Creature — Kavu | When Kavu Climber enters the battlefield, draw a card. 3/3 |
| Osgir, the Reconstructor | 2RW | Legendary Creature — Giant Artificer | Vigilance {1}, Sacrifice an artifact: Target creature you control gets +2/+0 until end of turn. {X}, {T}, Exile an artifact card with mana value X from your graveyard: Create two tokens that are copies of the exiled card. Activate only as a sorcery. 4/4 |