If you call it wrong, sacrifice that many permanents
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
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
For more information on what to expect regarding Foundations , check out Navigating Magic: The Gathering Foundations and its Variants
At the beginning of your end step, if you control three or more permanents you don't own, draw three cards
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