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 |
|---|---|---|---|
| Heed the Mists | 3UU | Sorcery — Arcane | Mill a card, then draw cards equal to the milled card's mana value. |
| Courier's Capsule | 1U | Artifact | {1}{U}, {T}, Sacrifice Courier's Capsule: Draw two cards. |
| Font of Fortunes | 1U | Enchantment | {1}{U}, Sacrifice Font of Fortunes: Draw two cards. |
| Dream Thief | 2U | Creature — Faerie Rogue | Flying When Dream Thief enters the battlefield, draw a card if you've cast another blue spell this turn. 2/1 |
| Revealing Eye | Creature — Eye Horror | Menace When this creature transforms into Revealing Eye, target opponent reveals their hand. You may choose a nonland card from it. If you do, that player discards that card, then draws a card. 3/4 | |
| Soulfire Eruption | 6RRR | Sorcery | Choose any number of target creatures, planeswalkers, and/or players. For each of them, exile the top card of your library, then Soulfire Eruption deals damage equal to that card's mana value to that permanent or player. You may play the exiled cards until the end of your next turn. |
| Primeval Spawn | 5WUBRG | Creature — Avatar | If Primeval Spawn would enter the battlefield and it wasn't cast or no mana was spent to cast it, exile it instead. Vigilance, trample, lifelink When Primeval Spawn leaves the battlefield, exile the top ten cards of your library. You may cast any number of spells with total mana value 10 or less from among them without paying their mana costs. 10/10 |
| Soul Echo | XWW | Enchantment | Soul Echo enters the battlefield with X echo counters on it. You don't lose the game for having 0 or less life. At the beginning of your upkeep, sacrifice Soul Echo if there are no echo counters on it. Otherwise, target opponent may choose that for each 1 damage that would be dealt to you until your next upkeep, you remove an echo counter from Soul Echo instead. |
| Agadeem's Awakening | XBBB | Sorcery | Return from your graveyard to the battlefield any number of target creature cards that each have a different mana value X or less. |
| Surge to Victory | 4RR | Sorcery | Exile target instant or sorcery card from your graveyard. Creatures you control get +X/+0 until end of turn, where X is that card's mana value. Whenever a creature you control deals combat damage to a player this turn, copy the exiled card. You may cast the copy without paying its mana cost. |