The Coronavirus

This card can be used as your Commander, and
has Vanishing 3.
As long as you control a Human, this card can't
be countered, can't die or be exiled, and will reset
its Vanishing counters to 3 at the beginning
of each of your upkeeps.
Humans you control have Infect and "At the
beginning of your upkeep, put a -1/-1 counter on
this creature."