I've not found an opponent who wasn't able to use multiple 'rare' cards. Meanwhile, the game throws a fit if I even so much as TRY to smuggle an extra 2-star card into my otherwise mundane hand. Apparently this restriction eases up once you have 30 cards... but getting those cards is surely the hard part? Especially when your opponents are all apparently without restriction. After all, 30 cards means you own nearly half the entire set!

You can trade MGP for a random chance at a common card, but it costs over 500 MGP, so you'd need to constantly max out your points and then get some extra just for a chance. Incidentally, I got 3 coblyns doing this. Yay. There aren't many good starter opponents either. You can beat the king if you're lucky with the 'Plus' rule, but the cards you win are largely rares which you can't even use more than one of.

The game itself is solid enough, but there definitely needs to be more low strength opponents to test your mettle against which don't require you to have every high level card in the game or abuse rulesets just to stand a remote chance.