The Pawn Broker

Hexproof, Indestructible, sentience (card has no allegiance to any player)

This card automatically comes to the battlefield when The Pawn Shop is on the field.

At the beginning of each turn, the current turn holder must roll 1d6, the number rolled is how many cards, he or she, must give to The Pawn Broker or pay life equal to the amount. At any time a player can trade a card with the broker and spend life equal to the mana cost to cast the spell.