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 |
|---|---|---|---|
| Akoum Teeth | Land | Akoum Teeth enters the battlefield tapped. {T}: Add {R}. | |
| Arcane Sanctum | Land | Arcane Sanctum enters the battlefield tapped. {T}: Add {W}, {U}, or {B}. | |
| Arctic Flats | Snow Land | Arctic Flats enters the battlefield tapped. {T}: Add {G} or {W}. | |
| Azorius Guildgate | Land — Gate | Azorius Guildgate enters the battlefield tapped. {T}: Add {W} or {U}. | |
| Bala Ged Sanctuary | Land | Bala Ged Sanctuary enters the battlefield tapped. {T}: Add {G}. | |
| Beyeen Coast | Land | Beyeen Coast enters the battlefield tapped. {T}: Add {U}. | |
| Blackbloom Bog | Land | Blackbloom Bog enters the battlefield tapped. {T}: Add {B}. | |
| Boreal Shelf | Snow Land | Boreal Shelf enters the battlefield tapped. {T}: Add {W} or {U}. | |
| Boros Guildgate | Land — Gate | Boros Guildgate enters the battlefield tapped. {T}: Add {R} or {W}. | |
| Charcoal Diamond | 2 | Artifact | Charcoal Diamond enters the battlefield tapped. {T}: Add {B}. |