This is much more efficient than Mono-Black Devotion, which relies on Gray Merchant of Asphodel giving the ability to draw more cards

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
However, it triggers on every turn, including your opponents'
There are still hundreds of cards in Historic Horizons yet to be revealed, but I jokingly ask if we can assume Modern Horizons 2s now notorious monkey Ragavan, Nimble Pilferer wont be among them
It included 83 silver-bordered cards, five black-bordered full-art basic lands, and six black-bordered tokens