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Scarlot rot 2: (when this creature deals damage
to a player or a creature, they gain rot counters. At
the beginning of opponent's upkeep, if they have a
rot counter they lose 2 life, if their creatures have a
rot counter, they gain -2/-2)

"Guardians of the Minor Erdtrees, infested with
Scarlet Rot. Their large staff releases a cloud of rot, quickly leading to their opponent's demise"