I do like that two of them show what appear to be groups of conscripts, while the other two (the fourth variant was featured on top) are decked out in more ornate armour
Basically, it doubles your chances with every coin flip, and thats the kind of thing thats going to supercharge your deck, and make it slightly less about luck, and slightly more about winning a lot
Applying perpetual debuffs to opponents creatures should probably stay out of paper Commander unless youre certain everyones onboard
Between fees, shipping supplies, and postage, about 20% of your profits might go toward costs
Also, there is a blog tab, where you can find many interesting and helpful articles
Each of these decks will speak to different players, and they're all great decks in their own right