Covid-19, Who Fears the World

Enchant creature
Enchanted creature gets -1/-1 and has Infect.
(It deals damage to creatures in the form of -1/-1
counters and to players in the form of poison counters.)
When enchanted creature deals combat damage,
all opponents creates a copy of Covid-19 attached
to a creature they controls.
"All the fun is suspended due to Coronavirus"
—Frontline Medic