Outside these specific strategies, broader archetypes that care about creatures can utilize these lands
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Use a bunch of mana dorks to accelerate and fix mana, get a big board up, then drop Saskia to really hurt everyone
Storvald, Frost Giant Jarl, Rubinia Soulsinger, and maybe Falco Spara, Pactweaver or Katilda and Lier (mostly because of Lier) are the best options for an Archenemy villain
First, if someone says they're going to have Lutri be their companion, it's the easiest thing to fix: you just say, "Hey, did you know you can't do that?" and it likely changes what their deck is doing very little