The nodes are accessed one by one in the Across Ixalan / Revolving Planeswalk fashion, with new nodes opening up and activating their timers depending on when the current node is first defeated.
The event was introduced in November 2019 along with the Throne of Eldraine card set.
Special rules
Planeswalker color restriction
Red
Only planeswalkers with affinity to Red can be played.
Permanent support
A permanent support affects play on one or more nodes.
Resourceful 3: The first spell in your hand gains 3 mana.
Node 4: Final Courage Challenge (left)
Objectives
Reward
Win the fight!
Win the fight against your opponent.
5 · 200
Striker:
Deal 20 or more damage during a single turn.
5
Adamant:
Match 30 or more Red gems with swaps during a single fight.
5
Permanent support: Final Courage Challenge
Side: Both
When you gain Adamant - Red: Deal X damage to your opponent's Planeswalker. X is the number of Red gems.
Schedule
Begins at midnight UTC with 1 charge available on each of four nodes. Each node, once opened, acquires a charge every eight hours for six charges on each node. The maximum is six charges; it is impossible to lose charges. Ends 46 hours from commencement, at 10PM UTC.