Atomic Calculations

Restart the game with the emblem "Whenever an opponent casts a spell, counter it."
When an opponent casts their first spell in the
game, count the number of atoms in that card.
This number is X. Deal X^X damage to any
target divided any way you choose.
Gain X^X life. Create X^X X^X/X^X creatures.
If you do not win this turn you lose the game
and any other mtg game you play^X.