The Trader

Shroud, Indestructible
When the Trader enters the battlefield, exile all
other non-land permanents and all non-land
cards in graveyards. Turn all of those spells
face-down and shuffle them together. This is
nicknamed the "pile." Whenever a player casts a
spell from their hand or a non-land card enters
their graveyard, those cards have "Exile this card
at end of turn." Exiled non-land cards are
shuffled into the "pile."
--not finished--