4Top decks from real early arenas battles (Under 4,000 🏆 (Arenas 1–12)) — the band this arena sits in.
Builder's Workshop (Arena 5) starts at 1,300 trophies and runs to 1,600, where P.E.K.K.A's Playhouse begins.
6 cards join the pool here: Mortar, Rocket, Flying Machine, Zap, Bats, Hog Rider.
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