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 |
|---|---|---|---|
| Treacherous Blessing | 2B | Enchantment | When Treacherous Blessing enters the battlefield, draw three cards. Whenever you cast a spell, you lose 1 life. When Treacherous Blessing becomes the target of a spell or ability, sacrifice it. |
| Ribskiff | 4 | Artifact — Vehicle | Toxic 2 (Players dealt combat damage by this creature also get two poison counters.) When Ribskiff enters the battlefield, draw a card. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.) 4/4 |
| Entropic Specter | 3BB | Creature — Specter Spirit | Flying As Entropic Specter enters the battlefield, choose an opponent. Entropic Specter's power and toughness are each equal to the number of cards in the chosen player's hand. Whenever Entropic Specter deals damage to a player, that player discards a card. */* |
| Diamond Knight | 3 | Artifact Creature — Knight | Vigilance (Attacking doesn't cause this creature to tap.) As Diamond Knight enters the battlefield, choose a color. Whenever you cast a spell of the chosen color, put a +1/+1 counter on Diamond Knight. 1/1 |
| Metamorphosis | G | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells. |
| Noise Marine | 4R | Creature — Astartes Warrior | Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Sonic Blaster — When Noise Marine enters the battlefield, it deals damage equal to the number of spells you've cast this turn to any target. 3/2 |
| Borne Upon a Wind | 1U | Instant | You may cast spells this turn as though they had flash. Draw a card. |
| Mana Vortex | 1UU | Enchantment | When you cast this spell, counter it unless you sacrifice a land. At the beginning of each player's upkeep, that player sacrifices a land. When there are no lands on the battlefield, sacrifice Mana Vortex. |
| Master Warcraft | 2R/WR/W | Instant | Cast this spell only before attackers are declared. You choose which creatures attack this turn. You choose which creatures block this turn and how those creatures block. |
| Centaur of Attention | 3GG | Creature — Centaur Performer | When Centaur of Attention enters the battlefield, roll five six-sided dice and store those results on it. At the beginning of combat on your turn, you may reroll any number of Centaur of Attention's stored results. Centaur of Attention gets +X/+X, where X is the greatest number of stored results on it of the same value. 3/3 |