Artega, Guide of Planeswalkers

Planeswalkers you cast come into play with
an additional loyalty counter.
{g}{b}, Exile Target planeswalker from your
graveyard: Artega, Guide of Planeswalkers
becomes a token copy of that planeswalker until
you reactivate this ability and has indestructible.
When you reactivate this ability, put previous
exiled planeswalker in your hand.
It travels the multiverse to guide planeswalkers who
wander from destiny