This fits the theme for Ruby established last set in cards like Shere Khan - Menacing Predator and Queen of Hearts - Sensing Weakness
I hate to be constantly coming down on the side of "generically good", but until we're giving out points for somehow making skinless, multi-legged critters cute and functional, I think this one has to go to Soul-Guide LanternSoul-Guide Lantern and artifacts
After that, it puts the original Armityle on the player's board, likely in Defense Position, so it can OTK in the next turn
This card is just a solid black creature that will definitely be making it into a deck that is looking for a solid tutor
Ill break down every color, multicolored, and colorless, picking my Top Five for each, as well as the top common and top uncommon (assuming theyre not already on the list)
Life and Limb makes all of your forests and saprolings into 1/1 saprolings and forests in addition to their other types