Often, cards span categories or are extreme examples of one of them and its a confluence of factors which will get a card banned
The problem throughout all of this has been the pull rate. The rarity of these cards, admittedly known as ultra rares and secret rares, has meant far too often the expensive packs of 10 cards have felt like duds
When browsing for Gym Heroes items, several factors influence value and desirability
Moreover, if you discard a Plunder Patroll monster to activate Goldenhair's effect it will trigger the effect of that monster in Grave - Whitebeard, for example, can Special Summon a Plunder Patroll monster from the deck when discarded
Main deck Chalice of the Void is well-positioned in Modern right now, and Azorius Control gets to play it with little cost, since Prismatic Ending is an X spell
It crafts a cohesive narrative that unfolds organically throughout the campaign