BPhillipYork: Really solid for mana dorks, or decks convoking things, or decks full of creatures with tapping activated abilities, however activated abilities that are good, that don't cost mana, but require tapping, are fairly rare, so it's hard to see this paying off all that cohesively unless you want to do something like use Opposition
Getting to dig for more permanents when it dies or getting to buff the team is an excellent tradeoff for losing a 5/4 with flying and vigilance
While Natural Order is a strong card, some players may prefer to use cards like Eldritch Evolution or Green Sun's Zenith, which offer similar effects with different restrictions or benefits
Cards 8, 9 and 10 are uncommons, while card 11 offers your rare/mythic
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Barack Obama is the most notable example of this, although i like the lifegain aspect