The Doctor of Many Things

Indestructible, hexproof, wither, defender. Start
the game with T.D.M.T in play, your life total
becomes 20, you gain 10 soma counters. As long
as T.D.M.T is in the command zone or on the
battlefield:You can't lose the game unless you
have 0 soma counters, If a creature would deal
combat damage to you while you have 0 or less
life you lose a soma counter.
{4}: Target player gets a poison counter.
{b}: T.D.M.T deals 1 damage to each other
creature and opponent.