What does Howling Mine do
If Oloro, Ageless Ascetic is in your command zone, you gain two life at the beginning of your upkeep
The rich world-building and exciting combat encounters of Dungeons & Dragons and Magic: the Gathering and Magic: The Gathering combine to make the Adventures in the Forgotten Realms Collector booster box
The artwork suggests one route, and thats a Thallid deck filled with Fungus creatures that use spore counters that can be proliferated and create Saproling tokens that can be copied with populate

Antler Skulkin Blazethorn Scarecrow Chainbreaker Crossroads Candleguide Dread Tiller Fang Skulkin Farmstead Gleaner Field Creeper Foraging Wickermaw Geist-Fueled Scarecrow Grim Poppet Harvest Hand Heap Doll Hoof Skulkin Jawbone Skulkin Jousting Dummy Lockjaw Snapper Lurebound Scarecrow Oasis Gardener One-Eyed Scarecrow Osseous Sticktwister Painter's Servant Pili-Pala Rattleblaze Scarecrow Reaper King Rendmaw, Creaking Nest Scarecrone Scarecrow Scarecrow Guide Scaretiller Scorn Effigy Scrapbasket Scuttlemutt Shell Skulkin Shire Scarecrow Signpost Scarecrow Sparring Dummy Straw Soldiers Tatterkite The Reaper, King No More The Swarmweaver Thornwatch Scarecrow Watchwing Scarecrow Wicker Picker Wicker Warcrawler Wicker Witch Wickerfolk Indomitable Wickerfolk Thresher Wild-Field Scarecrow Wildfire Wickerfolk Wingrattle Scarecrow Wreckage Wickerfolk
The next exploration of the mechanic should consider the possible twists on play patterns they could endorse