For starters, without a means to give them haste, you have to wait a turn to see any benefit from a mana dork outside of chump blocking, which you arent going to want to do in the early game or in the face of creatures with trample
Better Tournament Coverage Perfect for casters and event organizers
I am running the mono-colored mana making masterpiece Nykthos, Shrine to Nyx
Whether you start with a pre-con and slowly make it your own or dive headfirst into building from scratch, your Commander deck will become an extension of your playstyle

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The added ability to tutor for lands if youre behind is a plus in Loyal Warhounds favor