M:tG card similarity search
| Name | Mana | Type | Text | 
|---|---|---|---|
| Ominous Lockbox | 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. | 
| Energizer | 4 | Artifact Creature — Juggernaut | {2}, {T}: Put a +1/+1 counter on Energizer. 2/2 | 
| Arboria | 2GG | World Enchantment | Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn. | 
| Prahv | Plane — Ravnica | If you cast a spell this turn, you can't attack with creatures. If you attacked with creatures this turn, you can't cast spells. Whenever chaos ensues, you gain life equal to the number of cards in your hand. | |
| Verdant Automaton | 2 | Artifact Creature — Construct | {3}{G}: Put a +1/+1 counter on Verdant Automaton. 1/2 | 
| Sage of the Inward Eye | 2URW | Creature — Djinn Wizard | Flying Whenever you cast a noncreature spell, creatures you control gain lifelink until end of turn. 3/4 | 
| Essence Flare | U | Enchantment — Aura | Enchant creature Enchanted creature gets +2/+0. At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature. | 
| Unstable Mutation | U | Enchantment — Aura | Enchant creature Enchanted creature gets +3/+3. At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature. | 
| Lodestone Needle | 1U | Artifact | Flash When Lodestone Needle enters the battlefield, tap up to one target artifact or creature and put two stun counters on it. Craft with artifact {2}{U} ({2}{U}, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.) | 
| Storyteller Pixie | 3U | Creature — Faerie Wizard | Flying Whenever you cast an Adventure spell, draw a card. 3/3 |