Barian Untopia X SPELL Field (This card is always treated as a "Barian's" card.) "Number" monsters you control with a number between "101" and "107" in their name, as well as "CXyz" monsters and "Number C" monsters you control, cannot be destroyed by your opponent's card effects, and your opponent cannot target them with card effects
Overall, the Fiend-type is full of generic support cards, and Necroquip Princess is one of the best
To investigate, you put a Clue token onto the battlefield
Naturally, with an alternate win condition like this, there's ways to maximize its effectiveness
She obligingly protected them from a pack of hungry groffs and shepherded them back to Widdershins Hall, lecturing them on proper herb-gathering practices as they traveled
After your opponent declares their attackers you get the chance to block some of them with your untapped creatures