Gerrit, Still Old

Whenever an opponent casts a spell, they flip a
coin. If they lose, they lose 4 life. If they win,
they gain 2 life.
Whenever an opponent gains life for the first
time each turn, you may create a black 2/2
zombie token.
{t}, sacrifice a creature: Gerrit, Still Old deals 2
damage to target creature or plansewalker.