Lord Thadu, Spark Eater

When Lord Thadu, Spark Eater enters the battlefield you may exile target planeswalker, it's controller creates a 1/1 planeswalker creature token
When Lord Thadu, Spark Eater dies return all planeswalkers exiled by Lord Thadu, Spark Eater to the battlefield.
"Without that pesky spark Lovelace won't stand in my way anymore!"