M:tG card similarity search
2GU · Legendary Creature — Human Mutant
Flying Whenever Roalesk, Prime Specimen or another permanent you control is turned face up, you may pay {X}. If you do, if X is 1 or more, conjure a duplicate of a random creature card with mana value X into your hand. Cloak it. It gains "{G/U}: Turn this creature face up" for as long as it remains face down. Disguise {G}{U} 4/5
| Name | Mana | Type | Text | 
|---|---|---|---|
| Tecutlan, the Searing Rift | Legendary Land — Cave | (Transforms from Brass's Tunnel-Grinder.) {T}: Add {R}. Whenever you cast a permanent spell using mana produced by Tecutlan, the Searing Rift, discover X, where X is that spell's mana value. | |
| Dominate | X1UU | Instant | Gain control of target creature with mana value X or less. | 
| Epistolary Librarian | 2WU | Creature — Astartes Wizard | Veil of Time — Whenever Epistolary Librarian attacks, you may cast a spell with mana value X or less from your hand without paying its mana cost, where X is the number of attacking creatures. 3/4 | 
| Unforgiving One | 2B | Creature — Spirit | Menace (This creature can't be blocked except by two or more creatures.) Whenever Unforgiving One attacks, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the number of modified creatures you control. (Equipment, Auras you control, and counters are modifications.) 2/3 | 
| Celestine, the Living Saint | 4W | Legendary Creature — Human Warrior | Flying, lifelink Healing Tears — At the beginning of your end step, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of life you gained this turn. 3/4 | 
| Legion's Chant | 2W | Sorcery — Chorus | Starting intensity 3 Return any number of creature cards with total mana value X or less from your graveyard to the battlefield, where X is Legion's Chant's intensity. All Chorus cards you own intensify by 1. | 
| Excise the Imperfect | 1WW | Instant | Exile target nonland permanent. Its controller incubates X, where X is its mana value. (They create an Incubator token with X +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) | 
| Blazing Shoal | XRR | Instant — Arcane | You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn. | 
| Shining Shoal | XWW | Instant — Arcane | You may exile a white card with mana value X from your hand rather than pay this spell's mana cost. The next X damage that a source of your choice would deal to you and/or creatures you control this turn is dealt to any target instead. | 
| Demon of Fate's Design | 4BB | Enchantment Creature — Demon | Flying, trample Once during each of your turns, you may cast an enchantment spell by paying life equal to its mana value rather than paying its mana cost. {2}{B}, Sacrifice another enchantment: Demon of Fate's Design gets +X/+0 until end of turn, where X is the sacrificed enchantment's mana value. 6/6 |