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 |
|---|---|---|---|
| Shadowheart, Dark Justiciar | 3B | Legendary Creature — Human Elf Cleric | {1}{B}, {T}, Sacrifice another creature: Draw X cards, where X is that creature's power. Choose a Background (You can have a Background as a second commander.) 3/4 |
| Confiscation Coup | 3UU | Sorcery | Choose target artifact or creature. You get {E}{E}{E}{E} (four energy counters), then you may pay an amount of {E} equal to that permanent's mana value. If you do, gain control of it. |
| Steel Hellkite | 6 | Artifact Creature — Dragon | Flying {2}: Steel Hellkite gets +1/+0 until end of turn. {X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn. 5/5 |
| Living Armor | 4 | Artifact | {T}, Sacrifice Living Armor: Put X +0/+1 counters on target creature, where X is that creature's mana value. |
| Chthonian Nightmare | 1B | Enchantment | When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Nightmare to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery. |
| Mycelic Ballad | 3B | Sorcery — Chorus | Starting intensity 2 Each player sacrifices X creatures and you gain X life, where X is this spell's intensity. All Chorus cards you own intensify by 1. |
| Grave Choice | 2B | Instant | Target opponent sacrifices a nontoken creature. If that creature had mana value 2 or less, conjure a duplicate of it into your hand. That duplicate perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Mask of Griselbrand | 1BB | Legendary Artifact — Equipment | Equipped creature has flying and lifelink. Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards. Equip {3} |
| Creeping Inn | Artifact Creature — Horror Construct | Whenever Creeping Inn attacks, you may exile a creature card from your graveyard. If you do, each opponent loses X life and you gain X life, where X is the number of creature cards exiled with Creeping Inn. {4}: Creeping Inn phases out. 3/7 | |
| In the Eye of Chaos | 2U | World Enchantment | Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value. |