mtg collector booster boxes Amazon.com: Magic: The Gathering Foundations Box : Toys & Games 40 basic lands (20 traditional foils and 20 nonfoils) Magic: The Gathering - The

The best Elf commanders in MTG stand out because they push the tribe further than anything else available

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You can take advantage of that as long as you plan to play multiple lands per turn, whether you mill yourself or sacrifice your lands for value

Especially if the player you want others to smackdown is playing, like, a charming doggo deck or something

Ideally you would proliferate all of these first, while they are on the Agents Toolkit