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question becomes the scaling and your personal patience. If you want to buy 300 max common cards at and near burn value that typically requires a lot of patience or automation

I don't want to buy any extra cards to be honest, just the ones I play with. The only reason I am adding to my land position is because all these stupid wagons I need to get my airdrops cost MORE than the airdrop itself, so the only way to stay ahead is to make the wagons myself.