Aetherflux Reservoir

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn.
Pay 50 life: This artifact deals 50 damage to any target.

Absolute Grace

All creatures have protection from black.

Flying, trample
You can't win the game and your opponents can't lose the game.

{1}: The next time an instant or sorcery spell would deal damage to you this turn, that spell deals that damage to its controller instead.