The War of the Suns continues the storyline elements featured in the previous Hero Cluster sets, offering Sunchild cards to reflect the Moonchild type in the previous sets.
The new set will be sold in 10-card booster packs, and the full set has cards with the following rarities: 50 normal including 5 Basic Magic Stones, 22 rare, 4 rare J-Ruler, 14 super rare, 1 super rare J-Ruler, 4 marvel rare, 1 marvel rare J-Ruler, 10 Rulers including 5 Sunchild Rulers, 6 secret cards, 5 Will coins, 5 tokens, and 15 life counter cards. The booster packs will be available in 36-pack displays, with each display including one PR card.