Thassa's Rebuff
  Thassa's Rebuff |
|
| Instant | |
 Lucas Graciano |
Counter target spell unless its controller pays 
, where X is your devotion to blue. (Each in the mana costs of permanents you control counts toward your devotion to blue.)
, where X is your devotion to blue. (Each in the mana costs of permanents you control counts toward your devotion to blue.)
