While not universally the best dual lands in MTG, they excel in straightforward two-color builds that prioritize clean, uncomplicated mana bases
Dockside Extortionist, Jeweled Lotus, and Mana Crypt were all banned, cutting out three highly efficient mana accelerators that were ubiquitous in competitive Commander
With Shaman of Spring, though, you get to draw a card while also adding a creature to the table
How to beat: Collect every One-Star, Two-Star and Three-Star Shiny Card in the Mega Shine expansion: Scyther, Pineco, Phantump, Trevenant, Charmander, Charmeleon, Ponyta, Rapidash, Slowpoke, Pikachu, Raichu, Electrike, Hawlucha, Gastly, Haunter, Zorua, Zoroark, Forretress, Dratini, Dragonair, Dragonite, Axew, Fraxure, Haxorus, Mega Charizard X, Mega Slowbro X, Mega Manectric X, Mega Gengar X, Mega Scizor X, and Immersive Shiny Mew
That feels like an accomplishment considering the current Commander environment
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