Xanathia, Winter's Force

When this card EtB, if you control the following Xanathia's you may:
- Spring's Freedom: Put X +1/+1 counters on each creature you control.
- Summer's Fury: Deal X damage to each creature target opponent controls.
- Autumn's Fortune: You may cast spells with mana cost X or less w/o paying mana cost until EoT.
At EoT, if you control Xanathia's Patron, return this card to your hand. It perpetually gains indestructible.