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 |
|---|---|---|---|
| Thornmantle Striker | 4B | 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 |
| Angel of the Dawn | 4W | Creature — Angel | Flying When Angel of the Dawn enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn. 3/3 |
| Splatter Goblin | 1B | Creature — Phyrexian Goblin | When Splatter Goblin dies, target creature an opponent controls gets -1/-1 until end of turn. 2/1 |
| Herald of the Fair | 2W | Creature — Human | When Herald of the Fair enters the battlefield, target creature you control gets +1/+1 until end of turn. 3/2 |
| Riddlemaster Sphinx | 4UU | Creature — Sphinx | Flying (This creature can't be blocked except by creatures with flying or reach.) When Riddlemaster Sphinx enters the battlefield, you may return target creature an opponent controls to its owner's hand. 5/5 |
| Day | 2W | Instant | Creatures target player controls get +1/+1 until end of turn. |
| Ringwraiths | 4BB | Creature — Wraith Knight | When Ringwraiths enters the battlefield, target creature an opponent controls gets -3/-3 until end of turn. If that creature is legendary, its controller loses 3 life. When the Ring tempts you, return Ringwraiths from your graveyard to your hand. 5/5 |
| The Tyrant | Hero | Exile The Tyrant: Creatures your opponents control get -1/-1 until end of turn. | |
| Kor Aeronaut | WW | Creature — Kor Soldier | Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.) Flying When Kor Aeronaut enters the battlefield, if it was kicked, target creature gains flying until end of turn. 2/2 |
| Vedalken Mesmerist | 1U | Creature — Vedalken Wizard | Whenever Vedalken Mesmerist attacks, target creature an opponent controls gets -2/-0 until end of turn. 2/1 |