When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature.
, : Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Multikicker (You may pay an additional any number of times as you cast this spell.)
Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.
: Add for each charge counter on Everflowing Chalice.