The latest patch introduces the two Zendikar Rising pre-order bundles featuring the two Planeswalkers spoiled yesterday. They both cost $49.99 USD and are available until September 17, 2020 when the set is released.

When you purchase both, you also get a bonus Rock pet (also now available in the Store for 3000 Gems or 20000 Gold). Their contents are as follows:
Pre-order: Nahiri Play Bundle

- Zendikar Rising Set Mastery Pass
- 3 Player Draft Token
- 1 Sealed Token
- 1 Card of Nahiri, Heir of the Ancients
- 1 Nahiri, Heir of the Ancients Card Style
When purchased, you will immediately receive the Stoneblades sleeve.
Pre-order: Jace Pack Bundle

- 50 Zendikar Rising Boosters
- 1 Card of Jace, Mirror Mage
- 1 Jace, Mirror Mage Card Style
When purchased, you will immediately receive the Mind Mage sleeve.
More to follow once we know the contents of the Mastery Pass.