Riftbound Burn
None of the 10 cards with Burn print a reminder explaining it, so there is no official wording to quote here. Rather than guess at the rule, the cards themselves are below.
10cards4median energy
Which domains get it
Chaos6
Fury4
Which sets print it
Vendetta · 10
Every card with Burn
Most expensive first. Prices are Cardmarket EUR.
Blade Twirler
Vendetta · 4 energy
no price yet
Blade Twirler (Vendetta Nexus Night Promo)
Vendetta · 4 energy
no price yet
Death Mark
Vendetta · 2 energy
no price yet
Endless Riches
Vendetta · 5 energy
no price yet
Forgotten Relic
Vendetta · 5 energy
no price yet
Kennen - Storm of Shuriken
Vendetta · 3 energy
no price yet
Kennen - Storm of Shuriken
Vendetta · 3 energy
no price yet
Kharox
Vendetta · 6 energy
no price yet
Shadow Order Disciple
Vendetta · 2 energy
no price yet
Shadow Temple
Vendetta
no price yet