Always seeking to expand his influence, Satoru was the first of his gang through the Thunder Junction Omenpath
Since his introduction in the miniatures game, he's been a consistent master of the Psyker magics of Tzeentch, his patron Chaos God known for magic and schemes (and pranks)
But throwing a bone to adult fans here and there can be thrilling and also very successful
This is clearly not very good, but its easy to see how things scale up to becoming quite appealing: three mana to dredge Stinkweed Imp, putting five more cards into your graveyard, whilst also being up two lands in hand that can be used towards hitting your land drops or building towards a Conflagrate is something Im absolutely in the market for
Doomguide granting every creature in the deck Unearth is great, and the fact that the unearth is very aggressively-costed is a huge boost
They may be permitted exclusively in in-game matches, but there is an awkwardness surrounding their very existence as non-official cards