Vintage Cube players sometimes splash green in their blue artifact decks just so this Eldrazi can fetch Tolarian Academy, and it grabs various Sol lands in formats like Historic and Modern
You can banish 2 Spirit monsters from your Graveyard to Special Summon this card from your hand
Its beauty and the fact that it hails from Kalos where Mega Pokmon originate is undoubtedly whats launching this card towards the top end of value for the set
It needs to be worthwhile
His secondary ability rewards players for either not attacking with Taishen or by taking the time and/or mana to cast something that untaps him, and gives them a Human token
Popularised by sports trading cards, which are based upon the major sports leagues and franchises, like baseballs MLB, or basketballs NBA, they then spread to other mediums, and eventually, Pokmon