Opposite Day

If a player would lose life, they gain that much life instead. If a player would gain life, they lose that much life instead. If a player would draw a card, they discard that many cards instead. If a player would discard a card, they draw that many cards instead. If a creature would die from combat damage, the creature that dealt them that damage dies instead. Resolve the stack beginning from the bottom instead of from the top.
Replacement effects from this enchantment don't replace other replacement