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 |
|---|---|---|---|
| Greater Forgeling | 3RR | Creature — Elemental | {1}{R}: Greater Forgeling gets +3/-3 until end of turn. 3/4 |
| Scion of Glaciers | 2UU | Creature — Elemental | {U}: Scion of Glaciers gets +1/-1 until end of turn. 2/5 |
| Watercourser | 2U | Creature — Elemental | {U}: Watercourser gets +1/-1 until end of turn. 2/3 |
| Assquatch | 4R | Creature — Donkey | Each other Donkey gets +1½/+1½. Whenever another Donkey enters the battlefield, untap target creature and gain control of it until end of turn. That creature gains haste until end of turn. 3.5/3.5 |
| Get a Leg Up | G | Instant | Until end of turn, target creature gets +1/+1 for each creature you control and gains reach. |
| Stabbing Pain | B | Instant | Target creature gets -1/-1 until end of turn. Tap that creature. |
| Alpha Kavu | 2G | Creature — Kavu | {1}{G}: Target Kavu creature gets -1/+1 until end of turn. 2/2 |
| Ribbon Snake | 1UU | Creature — Snake | Flying {2}: Ribbon Snake loses flying until end of turn. Any player may activate this ability. 2/3 |
| Restless Bones | 2B | Creature — Skeleton | {3}{B}, {T}: Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.) {1}{B}: Regenerate Restless Bones. 1/1 |
| Yahenni, Undying Partisan | 2B | Legendary Creature — Aetherborn Vampire | Haste Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan. Sacrifice another creature: Yahenni gains indestructible until end of turn. 2/2 |