Dr. Hallewell, Plague Engineer

{p/b}{p/b}: Another target creature gets +1/+1 until
end of turn. Put a Plague counter on that
creature.
At the beginning of your upkeep, put a -1/-1
counter on each creature for each Plague counter
on it.
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"Take this with water and you should feel better for a-
I mean, within a day."