M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Hazardous Blast | 3R | Sorcery | Hazardous Blast deals 1 damage to each creature your opponents control. Creatures your opponents control can't block this turn. |
| Exocrine | X2R | Creature — Tyranid | Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Bio-plasmic Barrage — When Exocrine enters the battlefield, it deals X damage to each player and each other creature. 2/2 |
| Timberwatch Elf | 2G | Creature — Elf | {T}: Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield. 1/2 |
| Squealing Devil | 1R | Creature — Devil | Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When Squealing Devil enters the battlefield, you may pay {X}. If you do, target creature gets +X/+0 until end of turn. When Squealing Devil enters the battlefield, sacrifice it unless {B} was spent to cast it. 2/1 |
| Breaking of the Fellowship | 1R | Sorcery | Target creature an opponent controls deals damage equal to its power to another target creature that player controls. The Ring tempts you. |
| Mutiny | R | Sorcery | Target creature an opponent controls deals damage equal to its power to another target creature that player controls. |
| Wolf in _____ Clothing | 3B | Creature — Wolf Guest | When this creature enters the battlefield, you may put a name sticker on it. When you do, up to X target creatures each get -1/-1 until end of turn, where X is the number of unique vowels on that sticker. (The vowels are A, E, I, O, U, and Y.) 2/3 |
| 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. | |
| Stronghold Overseer | 3BBB | Creature — Demon | Flying Shadow (This creature can block or be blocked by only creatures with shadow.) {B}{B}: Creatures with shadow get +1/+0 until end of turn and creatures without shadow get -1/-0 until end of turn. 5/5 |
| Archetype of Endurance | 6GG | Enchantment Creature — Boar | Creatures you control have hexproof. Creatures your opponents control lose hexproof and can't have or gain hexproof. 6/5 |