Here are a handful of useful cards that require you to discard, so you need cards in your hand to use these to the fullest: Born to Drive, Team Avatar, or Abolish
Bartz Klauser (Winota, Joiner of Forces) Rating: 7/10 Winota, Joiner of Forces is a powerful threat that gives you a rare source of card advantage in any aggro deck

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
There are 25 cards in this category select any card to see its full details, attacks and trade options
One can effectively miss out on special cards this way and then become locked from getting them, though the game will make changes to trading, and promos will eventually become tradeable