Nyx, Gateway to the Eternities

{t}: Add {c} to your mana pool. You lose 1 life.
Planeswalkers you control have "+1: You may activate another one of this planeswalker's loyalty ailities as though none have been activated this turn."
Whenever a nontoken planeswalker you control dies, you may exile it and pay its mana cost. If you do, create a token that's a copy of that card.