The rise in general value of older Magic cards (especially those from Alpha/Beta/Unlimited or for cards on the Reserve List) has been driven by three sectors: 1
While there are very few super-expensive cards, nearly all of the Commander 2016 decks are stuffed full of casual staples in the $3$8 range, to the point where the decks currently contain way more value than the MSRP
And remember, this cost is on top of the $265 for fetches, the entry fee for any tier one deck
For more information on collecting these cards and their Booster Fun treatments, read our guide to Collecting Edge of Eternities
What's great about Family Matters is that nearly all of your creatures have some sort of comes-into-play effect that Arthur essentially doubles
The Ultra Beasts made their debut and while they were a bit of a weird fit thematically, I kind of appreciated the chaos