Right now, BR decks are more popular in formats other than Standard, but with the mana bases that exist, and three years worth of cards to choose from, this sort of card might become very popular
As if all its utility wasnt good enough, Pip-Boy 3000 is also a one mana colorless equipment
Some cards that I think could build out this shell: Ugin, Eye of the Storm Summon: Bahamut Solemn Simulacrum Adventurer's Inn The Irencrag Sire of Seven Deaths Mazemind Tome Fountainport Jill, Shiva's Dominant & Joshua, Phoenix's Dominant Jill and Joshua are two cards that feel powerful enough in Standard, that feel like they slot into a number of already existing archetypes
The impetus was straightforward: we wanted a legendary Elemental lord
Thundertrap Trainer Blue doesnt have the best suite of cards in Bloomburrow , Ill admit