Erid, Azorious Lawmaker

+2: Reveal a card in your hand. It gets "Addendum - If you cast this on your main phase, it cannot be countered."
-2: Name a nonland card. Any card with that name is removed from the game until Erid, Azorious Lawmaker leaves the battlefield.
-5: Create an emblem with, "At the beginning of each upkeep, name a nonland card. Any card with that name is removed from the game."