Strategic complexity does not need to push up the rarity of the card provided it's simple in the other two types of complexity
Knights are a cool creature type in Magic since a lot of the good ones have low mana costs and buff each other up
All of Knuckles the Echidna, Hellkite Tyrant, and Revel in Riches automatically win the game if you have a certain number of artifacts (with Revel in Riches requiring specifically Treasure tokens)
This puts more emphasis on deckbuilding, as which removal spell to use in your deck could change from week to week depending on the metagame and configuration of your deck
There are 14 borderless panel cards, consisting of 4 mythic rares and 10 rares
It makes sense, then, that Reanimate and Living Death are in here, but there are also pretty pricey cards like Cavern-Hoard Dragon and The Black Gate to ramp up the value