Harmacist

Hexproof.
{1}: Draw 5 cards, lose 1 life. At the beginning of
each of your following upkeeps pay the
corresponding cost below or lose the game:
2 - {2}: Draw 4 cards lose 2 life.
3 - {3}: Draw 3 cards, lose 4 life.
4 - {4}: Draw 2 cards, lose 8 life.
5 and beyond- {5}: Draw 1 card, lose 16 life.
Any player may activate this ability once.