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I did a card spotlight on her detailing this so will skip that explanation here

Here is the list I ran with in my attempt to take advantage of the cheap evasive blue dudes

Also, Elesh Norn possesses an activated ability requiring three mana and sacrificing three creatures

Try a Ruby Medallion to keep your red spells cheap, and use Koth, Fire of Resistance to dig up Mountains and keep the spells coming

Even once its equipped, it feels pretty slow compared to other powerful Equipment like Embercleave

Players on Reddit pointed out that the unusual wording on Mox Diamond allows you to circumvent this problem, since you can choose not to discard a land to prevent it from ever entering play and receiving a counter