Spell Burst

Instant, XU (1)
Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Counter target spell with converted mana cost X.¹
The brutish mage's version of thinking.
Illus. Terese Nielsen

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Time Spiral (Uncommon)