Cleffa from Obsidian Flames and Marill from Paldea Evolved are two examples of this, increasing by 218 percent and 235 percent, respectively
Until your next turn, instant, sorcery, and planeswalker spells that player casts cost less to cast
You cant make choices or decisions for that player that arent called for by the game rules or by any cards, permanents, spells, abilities, and so on
In fact, Multiversal Passage plays more like a shock land
Without further ado, here are the most expensive cards from Bloomburrow so far: #1 Three Tree City $20 #2 Ygra, Eater of All $16 #3 Beza, the Bounding Spring $13 #4 Innkeepers Talent $13 #5 Caretakers Talent $13 #6 Lumra, Bellow of the Woods $12 #7 Maha, Its Feathers Night $11 #8 Rottenmouth Viper $8 #9 Ral, Crackling Wit $6 #10 Dawns Truce $6 #11 Fountainport $5 #12 Emberheart Challenger $5 #13 Stormsplitter $5 #14 Season of Gathering $5 #15 Season of the Burrow $4 #16 Fabled Passage -$4 #17 Patchwork Banner $4 #18 Artists Talent $4 #19 Season of Weaving $4 #20 Into the Flood Maw $4 #21 Mockingbird $4 #22 Dragonhawk, Fates Tempest $3 #23 Kitsa, Otterball Elite $3 #24 Warren Warleader $3 #25 Scavengers Talent $3 #26 The Infamous Cruelclaw $3 #27 Iridescent Vinelasher $3 #28 Eluge, the Shoreless Sea $3 #29 Season of Loss $3 #30 Heartfire Hero $3 Those are all the big money cards from Bloomburrow as of the time of writing