Chaotic Polymorphine

Chaotic Polymorphine enters the battlefield with
two charge counters on it.
{t}, Remove a charge counter from Chaotic Polymorphine: Exile target creature, its owner
reveals cards from the top of their library until
they reveal a creature card with converted mana
cost 3 or less and put that card onto the battlefield, the owner then shuffles the rest
of the revealed cards into their library.