Threnody Singer | 75 | Theros Beyond Death

Set: Theros Beyond Death
Rarity: U
#: 75
Creature Type or Sub Type: Creature — Siren
P: 1
T: 3
Rules Text Contains: 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.)