These are all interesting cards, although they cost a bit too much for what they do
The only way to get a Compleat edition booster is in the Phyrexia: All Will Be One Compleat Bundle, which comes with compleat boosters alongside 12 All Will Be One set boosters
That means cards like Whispersilk Cloak are huge
The online game only includes the more recent sets of Magic (Standard legal) so if a new player gets hooked on the game through Arena and wishes to try other formats like Modern or Commander, they must visit a store
It will happen only once even if you control multiple commanders
I know Oloro, Ageless Ascetic technically did it first, but it still wasnt at the level of most eminence commanders, so Inalla, Archmage Ritualist takes this spot