Philomae's Elixir

Whenever you’re dealt damage, put that many charge counters on Philomae's Elixir.

At the beginning of each upkeep, you may remove
a charge counter from Philomae's Elixir. If you do,
you gain 1 life. If you don't, you may put a charge
counter on it.

{t}, Remove six charge counters from it: Copy
target instant spell you control.