Hexproof
+1 Return up to two target Aura cards from your graveyard to your hand.
-3 Put a 5/5 green Beast creature token onto the battlefield, then you may put an Aura card that could enchant that token from your hand onto the battlefield attached to it.
For Challenge # 075.
I'm not actually a fan of static abilities on planeswalkers. I think it looks dumb. I did it anyway.