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 |
|---|---|---|---|
| Groundling Pouncer | 1G/U | Creature — Faerie | {G/U}: Groundling Pouncer gets +1/+3 and gains flying until end of turn. Activate only once each turn and only if an opponent controls a creature with flying. 2/1 |
| Scourge Devil | 4R | Creature — Devil | When Scourge Devil enters the battlefield, creatures you control get +1/+0 until end of turn. Unearth {2}{R} ({2}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) 3/3 |
| A-Thornmantle Striker | 3B | Creature — Elf Rogue | When Thornmantle Striker enters the battlefield, choose one — • Remove X counters from target permanent, where X is the number of Elves you control. • Target creature an opponent controls gets -X/-X until end of turn, where X is the number of Elves you control. 4/3 |
| Voracious Vampire | 2B | Creature — Vampire Knight | Menace When Voracious Vampire enters the battlefield, target Vampire you control gets +1/+1 and gains menace until end of turn. 2/2 |
| Cyclops Electromancer | 4R | Creature — Cyclops Wizard | When Cyclops Electromancer enters the battlefield, it deals X damage to target creature an opponent controls, where X is the number of instant and sorcery cards in your graveyard. 4/2 |
| Earth-Origin Yak | 3W | Creature — Ox | When Earth-Origin Yak enters the battlefield, creatures you control get +1/+1 until end of turn. 2/4 |
| Spotter Thopter | 8 | Artifact Creature — Thopter | Prototype {3}{U} — 2/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying When Spotter Thopter enters the battlefield, scry X, where X is its power. 4/5 |
| Crypsis | 1U | Instant | Target creature you control gains protection from creatures your opponents control until end of turn. Untap it. |
| Themberchaud | 4RRR | Legendary Creature — Dragon | Trample When Themberchaud enters the battlefield, he deals X damage to each other creature without flying and each player, where X is the number of Mountains you control. You may exert Themberchaud as he attacks. When you do, he gains flying until end of turn. (An exerted creature won't untap during your next untap step.) 5/5 |
| Plague Mare | 1BB | Creature — Nightmare Horse | Plague Mare can't be blocked by white creatures. When Plague Mare enters the battlefield, creatures your opponents control get -1/-1 until end of turn. 2/2 |