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 |
|---|---|---|---|
| Forced Fruition | 4UU | Enchantment | Whenever an opponent casts a spell, that player draws seven cards. |
| Roilmage's Trick | 3U | Instant | Converge — Creatures your opponents control get -X/-0 until end of turn, where X is the number of colors of mana spent to cast this spell. Draw a card. |
| Eldritch Evolution | 1GG | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution. |
| Roadside Reliquary | Land | {T}: Add {C}. {2}, {T}, Sacrifice Roadside Reliquary: Draw a card if you control an artifact. Draw a card if you control an enchantment. | |
| Shrike Harpy | 3BB | Creature — Harpy | Flying Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.) When Shrike Harpy enters the battlefield, if tribute wasn't paid, target opponent sacrifices a creature. 2/2 |
| Altered Ego | X2GU | Creature — Shapeshifter | This spell can't be countered. You may have Altered Ego enter the battlefield as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it. 0/0 |
| Catalyst Elemental | 2R | Creature — Elemental | Sacrifice Catalyst Elemental: Add {R}{R}. 2/2 |
| Spellbinder | 3 | Artifact — Equipment | Imprint — When Spellbinder enters the battlefield, you may exile an instant card from your hand. Whenever equipped creature deals combat damage to a player, you may copy the exiled card. If you do, you may cast the copy without paying its mana cost. Equip {4} |
| Divine Reckoning | 2WW | Sorcery | Each player chooses a creature they control. Destroy the rest. Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Illuminor Szeras | 2B | Legendary Artifact Creature — Necron | Secrets of the Soul — {T}, Sacrifice another creature: Add an amount of {B} equal to the sacrificed creature's mana value. 3/3 |