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 |
|---|---|---|---|
| Awaken the Blood Avatar | 6BR | Sorcery | As an additional cost to cast this spell, you may sacrifice any number of creatures. This spell costs {2} less to cast for each creature sacrificed this way. Each opponent sacrifices a creature. Create a 3/6 black and red Avatar creature token with haste and "Whenever this creature attacks, it deals 3 damage to each opponent." |
| Hearth Kami | 1R | Creature — Spirit | {X}, Sacrifice Hearth Kami: Destroy target artifact with mana value X. 2/1 |
| Main Event Horizon | 3WW | Sorcery | As an additional cost to cast this spell, choose A through M or N through Z. Destroy each creature whose name begins with a letter in the chosen range. |
| Sorcerer's Broom | 2 | Artifact Creature — Spirit | Whenever you sacrifice another permanent, you may pay {3}. If you do, create a token that's a copy of Sorcerer's Broom. 2/1 |
| Runecarved Obelisk | 4 | Artifact | {T}: Add {C}{C}. Put two charge counters on Runecarved Obelisk. {T}, Sacrifice Runecarved Obelisk: Seek a card with the highest mana value among cards in your library with mana value X or less, where X is the number of charge counters on Runecarved Obelisk. |
| Replicate | 1GU | Sorcery | Create a token that's a copy of target creature you control. |
| Aluren | 2GG | Enchantment | Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash. |
| Basilica Skullbomb | 1 | Artifact | {1}, Sacrifice Basilica Skullbomb: Draw a card. {2}{W}, Sacrifice Basilica Skullbomb: Target creature you control gets +2/+2 and gains flying until end of turn. Draw a card. Activate only as a sorcery. |
| Blightwing Whelp | 2B | Creature — Phyrexian Imp | Flying Toxic 1 {B}: Blightwing Whelp gains haste until end of turn. Whenever Blightwing Whelp deals combat damage to a player, seek a card with mana value equal to the number of poison counters that player has. 2/2 |
| Quasiduplicate | 1UU | Sorcery | Create a token that's a copy of target creature you control. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.) |