Thassa's Rebuff (54) (Born of the Gods)

Rarity:	U
#:	54
Creature Type or Sub Type:	Instant
Rules Text Contains:	Counter target spell unless its controller pays X, where X is your devotion to blue. (Each U in the mana costs of permanents you control counts toward your devotion to blue.)
Flavor:	To resist Thassa is to deny the rising tide.
Set:	Born of the Gods
Number:	54