Vondir, Changeling Arcanist

Hexproof, changeling
You may have Vondir, Changeling Arcanist enter
the battlefield as a copy of any creature on the battlefield. It still has changeling and hexproof.
In addition, put a trick counter on it. It has
Vondir, Changeling Arcanist's other abilities.
Remove a trick, {u/r}{u/b}: Exile Vondir, Changeling Arcanist then at the next end step return this
creature to the battlefield under your control.