Spell Blast | Magic: The Gathering
Formats Spell Blast is Legal in
Official Oracle Text for Spell Blast
Official Rulings for Spell Blast
7/1/2013 : If the target spell has in its converted mana cost, include the value chosen for that X when determining the value of the in Spell Blast’s mana cost. For example, if you wish to counter Volcanic Geyser (a spell with mana cost ) whose X is 7, you’ll need to choose 9 for Spell Blast’s X and pay .