Radha, Heir to Keld
Planar Chaos — rare
Legendary Creature — Elf Warrior
Radha, Heir to Keld rulings:
2022-12-08: Radha’s triggered ability is not a mana ability because it doesn’t trigger from another mana ability. It goes on the stack and it can be responded to.
2022-12-08: You lose the mana produced by Radha’s ability before blockers are declared if you don’t spend it first.