Yes, this has all the same risks as other enchantment and aura based removal in that it isn't very permanent however that is generally less of a concern with the utility creatures
The only card that doesn't match its original rarity is another special add-on for 30th Anniversary Edition : Sol Ring is a card that's near and dear to many players, so we created a special new crop of the original art that will appear at common rarity in both the modern and retro frames
You'll draw that card, like Coastal Piracy on legs for a legendary Command Zome legal dork
Phyrexians come in all shapes and sizes, from crawling undead to mechanized Goblins, from willing servants to corrupted heroes
The two color system factors into the games deck building rules as each deck can only contain two color types
Now, Commander is the most popular way to play Magic, and a big part of that is that Wizards of the Coast regularly releases preconstructed decks that are playable right out of the box