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Hmm, I don't think that'll happen to be honest. Especially not with PeakMonsters who have the best interest of the game at heart. It'd be a more complex system. Also, delegated cards incur cooldowns when swapping between players, so there's less of an "exploit" there.

That would come with a 2 day cooldown to run a makeshift system via delegation. Probably more expensive that way, but who knows.

even with the 2 days cooldown, the renter takes the card for 2 days still and the owner instead of having the card sitting in the ethernal season rent would get something... i mean you never know what will happen when you touch stuff...