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

Pashalik Mons Current Buy Price: $0.06 Goblin Ringleader is coming to Modern in a few short weeks, and that might be the shot in the arm that pushes Goblins into tier one or tier two territory in Modern
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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
Both of these legendary creatures are native to Magic lore, and they have remained iconic for decades