Ultimate Masters

Disrupting Shoal

You may exile a blue card with converted mana cost X from your hand rather than pay this spell's mana cost.
Counter target spell if its converted mana cost is X.

You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost.
Counter target spell if its mana value is X.

Betrayers of Kamigawa

You may remove a blue card with converted mana cost X in your hand from the game rather than pay Disrupting Shoal's mana cost.
Counter target spell if its converted mana cost is X.