Heres a breakdown of the top categories of cards worth grading, from iconic staples to personal treasures
Pre-War Formalwear reanimates any cheap creature from your graveyard while giving it a stat and ability boost thanks to the actual effects of the Equipment
There are ways around that, using cards like Squee, Goblin Nabob to discard meaningless cards or using other tricks like Stroke of Genius to draw extra cards that you can use to pay, but most people who played the Masticore played it fairly
(You may return a land card from your graveyard to your hand and mill two cards instead of drawing a card.) If you control multiple lands with the same name, only one of those lands will count toward the seven or more required to create a Zombie
See their post here: I find it a bit unusual that they decided to ban cards that were so popular and have been around for so long, but they offer a pretty good explanation in the article: its experimental
In The Brothers War , it worked out pretty well for green, with the color being destructive of artifacts at times, but also working well with the big artificial creations who bring the beef