Simply put, I dont have enough of either to make separating them by type important, but if that changes, I can update as needed
The third set of Disney Lorcana has been announced and it's called Into The Inklands
How it works is very simple: You have to gain life to explore with Amalia Benavides Aguirre, triggering Wildgrowth Walker and creating another infinite interaction thatll give you infinite life
The other adventure lands are good as well, but this one allows for recursion of card types, enchantment and artifact, without the restriction White usually gets on mana value and nets us up to two cards in the process
Baneslayer 4
As far as R&D is concerned, it is the theme discard cards that cause the most unhappiness as discard decks are one of the scary three (land destruction, permission and discard) that tend to keep people from playing the game and thus tend to annoy players at a much higher level than other decks