Superior Wizardry

Counter target spell you don't control, then apply
the following effects for each card type countered
this way. Creature - Gain 5 life. Enchantment - Destroy target artifact. Artifact - Destroy target Enchantment. Planeswalker - Draw 2 cards.
Instant - Add {u}{u}. Sorcery - Scry 4
If you cast this spell during your main phase, an opponent may pay half their life, rounded down.
If no player does, you win the game.