However, since the printing of the four colour commanders and partners, the shard and wedge cards (three colour combos) have a whole new life ahead of them
Thats what makes it so interesting and why it seems to be largely replacing similar mechanics in this design space
There is a LOT going on here
Drawing seven cards for only three mana is pretty absurd
Sadly, Overlord of the Hauntwoods may not break into these formats, but that doesnt mean its useless

Julius Jumblemorph Dragonlord Dromoka Drizzt Do'Urden Dromoka, the Eternal Dyadrine, Synthesis Amalgam Ellivere of the Wild Court Emmara Tandris Emmara, Soul of the Accord Farmer Cotton Finneas, Ace Archer Frodo Baggins Gabriel Angelfire Gaddock Teeg Garnet, Princess of Alexandria Ghalta and Mavren Gluntch, the Bestower Gylwain, Casting Director Haliya, Ascendant Cadet Hamza, Guardian of Arashin Janai and Hoppy, Roofskippers Jasmine Boreal Jasmine Boreal of the Seven Jenson Carthalion, Druid Exile Kaheera, the Orphanguard Karametra, God of Harvests Katilda, Dawnhart Prime Kei Takahashi King Darien XLVIII Krond the Dawn-Clad Kudo, King Among Bears Kutzil, Malamet Exemplar Kyler, Sigardian Emissary Lady Caleria Lagorin, Soul of Alacria Lathiel, the Bounteous Dawn Leinore, Autumn Sovereign Lord Magnus Maja, Bretagard Protector Mary Jane Watson Melira, the Living Cure Merry, Warden of Isengard Mikey & Leo, Chaos & Order Miriam, Herd Whisperer Mirri, Weatherlight Duelist Ms