Money for Nothing

At the beginning of each upkeep, each other
player creates a Treasure token.
Whenever a player plays a land from their hand,
each other player sacrifices a Treasure or
creature.
Whenever a player sacrifices a Treasure token,
each other player gains 1 life.
Whenever a player uses mana from sacrificing a Treasure to cast a creature spell, each other
player creates a 1/1 white Human creature token.