Lin-Ce, Wild Magic Sorcerer

Hexproof
{t}: Put a summon counter on
Lin-Ce, Wild Magic Sorcerer.
{t}: Remove any number of summon counters
from Lin-Ce, Wild Magic Sorcerer and Search
your library for a creature card with converted
mana cost equal to the number of summon
counters you removed, put it onto the battlefield,
then shuffle your library