This has long been seen as a downside for the colour, but Tataru Taru turns it into a big upside by having you make a tapped Treasure token whenever someone draws and it isn't their turn
While we don't like to completely rule anything out, there currently are not any plans to repeat the alternate art within a set model
The answer is sort of three: artifacts, blue, and black

Badgermole Cub - the best new card Sol Ring - the best Commander card Craterhoof Behemoth - the best go-wide finisher Gaea's Cradle - the best land you can actually play The One Ring - the best artifact Griselbrand - the best reanimator target Swords to Plowshares - the best targeted removal Urza's Saga - the most value from one land Lurrus of the Dream-Den - the strongest mechanic Pack Rat - A limited powerhouse Oko, Thief of Crowns - the best planeswalker Contract From Below - technically disqualified Tinker - the best MTG tutor card Deathrite Shaman - the best mana dork MTG card Brainstorm - the best card draw spell Cyclonic Rift - the best blue boardwipe Mishra's Bauble - the best free spell Teferi's Protection - the best protection spell Esper Sentinel - the best one drop Orcish Bowmasters - the best hate bear Blasphemous Act - the best red board wipe An Untapped Island - the scariest card to face How we chose the best MTG cards 1

No hunting down 100 individual cards across multiple sellers, no waiting on separate parcels, no cards lost in transit everything arrives together in one shipment, ready to sleeve up and play