Muffin, Grouchy Granny

This spell can't be countered.
Spells you cast cost {2} less to cast.
Whenever an opponent attacks you, Muffin,
Grouchy Granny deals 1 damage to each
attacking creature.
{x}{t}: Until your next turn, spells your
opponents cast cost {x} more to cast.
"That'll be 1,200 dollar bucks!!"