Glitchsnap Mage

Flash, resistance to blue spells
When Glitchsnap Mage enters the battlefield, you may either destroy target card or counter target spell.
You can cast any spell as if it is a counter spell if you pay {3} as well as the original cost.
{5},{x},{t}: untap {x} cards and give any creature cards that you untapped +2/+1 and doublestrike.