These cards are often more valuable due to their scarcity
49 cards
The Services are limited to PPG receiving the items specified by Customer in relation to the Order only, grading those items, placing those items into an acrylic grading case and wooden frame, and returning those items to Customer by postage
Lifegains easy to obtain, so this can reanimate huge cards like Angel of the Ruins
Create a token thats a copy of that card, except its a 3/3 black Zombie creature in addition to its other types. This means, if the circumstances are right, you can get lots of your enchantments back for free
On the other hand, for small kitchen-table playgroups where the participants know each other and can agree on variations beforehand, relaxing and tweaking (or, alternately, locking down) the Commander rule can lead to some interesting variations, almost like alternate histories