If you increase the size of your deck, you need to play more lands, but you dont really need to play more fetchable lands, so every additional land you add to your deck can be another fetchland
So thats what you get, but what is the function of a Play Booster in MTG
I played decks with anywhere from 16 to 22 lands in ZNR , though these 22-land decks were obviously playing at least five MDFC lands
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This listing is for a player-built, ready to play Legolas, Master Archer Magic: The Gathering Commander deck
Or grating it either trample or some form of evasion plus a haste enabler