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Frontier Mode is really competitive, and in some ways harder than Modern as there are far fewer cards to work with. It is a lot of fun, and for every five matches you win in gold you get a free card pack and chance at a jackpot card.

Sounds fun, only that I gave up playing splinterlands except the guild games.

I did too for a long time, only recently did I start again with Foundations since the cards come free to start out. Then you win cards and packs to level up along the way.