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While your first instinct with this might be to see how you can break it (and you definitely can), she can also just be a great way to explore Naya artifacts with lands-matter as an adjacent theme

They become extra deadly combined with our commanders abilities

That's still fine and dandy, just like candy, but it's not as broken as Tinker from a mana rock into a Darksteel Colossus or the Spike version of that with Sundering Titan

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The main gist is that Tameshi can serve as the artifact and enchantment protector, being able to return them from the graveyard onto the battlefield

It's Flowering of the White Tree, a two-mana legendary enchantment which may just be the best anthem effect ever printed in Magic: The Gathering