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 |
|---|---|---|---|
| Compulsion | 1U | Enchantment | {1}{U}, Discard a card: Draw a card. {1}{U}, Sacrifice Compulsion: Draw a card. |
| Void Mirror | 2 | Artifact | Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell. |
| Spitting Image | 4G/UG/U | Sorcery | Create a token that's a copy of target creature. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.) |
| Archmage of Echoes | 4U | Creature — Faerie Wizard | Flying, ward {2} Whenever you cast a Faerie or Wizard permanent spell, copy it. (The copy becomes a token.) 4/4 |
| Magma Mine | 1 | Artifact | {4}: Put a pressure counter on Magma Mine. {T}, Sacrifice Magma Mine: It deals damage equal to the number of pressure counters on it to any target. |
| Insight | 2U | Enchantment | Whenever an opponent casts a green spell, you draw a card. |
| Bearer of Silence | 1B | Creature — Eldrazi | Devoid (This card has no color.) When you cast this spell, you may pay {1}{C}. If you do, target opponent sacrifices a creature. ({C} represents colorless mana.) Flying Bearer of Silence can't block. 2/1 |
| Vex | 2U | Instant | Counter target spell. That spell's controller may draw a card. |
| Spellstutter Sprite | 1U | Creature — Faerie Wizard | Flash Flying When Spellstutter Sprite enters the battlefield, counter target spell with mana value X or less, where X is the number of Faeries you control. 1/1 |
| Goremand | 4BB | Creature — Demon | As an additional cost to cast this spell, sacrifice a creature. Flying Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) When Goremand enters the battlefield, each opponent sacrifices a creature. 5/5 |