Icatian Moneychanger

Icatian Moneychanger enters the battlefield with
three credit counters on it. When Icatian Moneychanger enters the battlefield, it
deals 3 damage to you. At the beginning of
your upkeep, put a credit counter on Icatian Moneychanger.
Sacrifice Icatian Moneychanger: You gain 1 life
for each credit counter on Icatian Moneychanger.
Activate this ability only during your upkeep.