M:tG card similarity search
4BB · Sorcery
All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
| Name | Mana | Type | Text |
|---|---|---|---|
| Molder | XG | Instant | Destroy target artifact or enchantment with mana value X. It can't be regenerated. You gain X life. |
| Shipwreck Moray | 3U | Creature — Fish | When Shipwreck Moray enters the battlefield, you get {E}{E}{E}{E} (four energy counters). Pay {E}: Shipwreck Moray gets +2/-2 until end of turn. 0/5 |
| Water Servant | 2UU | Creature — Elemental | {U}: Water Servant gets +1/-1 until end of turn. {U}: Water Servant gets -1/+1 until end of turn. 3/4 |
| Viridian Lorebearers | 3G | Creature — Elf Shaman | {3}{G}, {T}: Target creature gets +X/+X until end of turn, where X is the number of artifacts your opponents control. 3/3 |
| Prime Speaker Vannifar | 2GU | Legendary Creature — Elf Ooze Wizard | {T}, Sacrifice another creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery. 2/4 |
| Cactus Preserve | Land — Desert | Cactus Preserve enters the battlefield tapped. {T}: Add one mana of any type that a land you control could produce. {3}: Until end of turn, Cactus Preserve becomes an X/X green Plant creature with reach, where X is the greatest mana value among your commanders. It's still a land. | |
| Klauth, Unrivaled Ancient | 5RG | Legendary Creature — Dragon | Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end. 4/4 |
| The Zephyr Maze | Plane — Kyneth | Creatures with flying get +2/+0. Creatures without flying get -2/-0. Whenever chaos ensues, target creature gains flying until end of turn. | |
| Quillspike | 2B/G | Creature — Beast | {B/G}, Remove a -1/-1 counter from a creature you control: Quillspike gets +3/+3 until end of turn. 1/1 |
| Threnody Singer | 1U | Creature — Siren | Flash Flying When Threnody Singer enters the battlefield, target creature an opponent controls gets -X/-0 until end of turn, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) 1/3 |