Elixir of Martar

You can only have one copy of Elixir of Martar
in your deck.
You cannot lose the game due to poison counters.
If you have more than 10 poison counters placed
on you at the end of any given turn, remove
those counters and exile Elixir of Martar.
"Behold the Wonders of Goblin Medicine!"
- Martar