Mediterranean Coral

At the beginning of your upkeep, Ricochet (You
may pay {g}{g} plus X amount of life from this
coral to deal X damage to target).
Whenever Mediterranean Coral is dealt damage
to, you may pay {g}{g}{g}{g}{g} to create a spike
wall artifact token with "{g}, Sacrifice this artifact,
target spell that deals damage to any target has
base damage 1."