Malenia, Goddess of Rot

First strike, lifelink, flying
When Malenia, Goddess of Rot enters the battlefield, you take X damage, where X is the
number of Scarlet Rot Counters into play.
Put a +1/+1 counter on Malenia, Goddess of Rot for
every Scarlet Rot Counter into play.

{3}, {t}, remove all Scarlet Rot Counters into play.
Target player or creature takes X damage, where X
is the number of Scarlet Rot Counters removed this
way.