At the beginning of your end step, if you control three or more permanents you don't own, draw three cards
I spent $200 on a set of 9th Edition foil Bloom Moon! My Blue Moon deck is ruined! How are we supposed to beat Tron now? Standard bans
Not only are they great for refueling in the late game, but you can turn your Twiddle effects and unusual cards into additional tap effects
Expect Mickey Mouse, Snowboard Ace, to bump shoulders with Jiminy Cricket, Willie the Giant, and Lonely Resting Place pulling double duty as the Ghosts of Christmas Past, Present, and Future
Theres actually a ton of other examples already of individual Wilds cards being picked up as incremental upgrades for familiar decks: Up the Beanstalk in Atraxa decks that play Leyline Binding