Reckless Greed

At the start of each upkeep put a counter on Reckless greed and create a Treasure token.
(It is an artifact token with "{t} Sacrifice this artifact: Add one mana of any color.")
Lose life equal to the number of counters on Reckless Greed.
When Reckless Greed has four counters flip Reckless Greed.