EDH saboteur decks can benefit from this blue card as well
While it can serve as an interesting plan B option for when things go sideways, theres no shortage of excellent equipment that make Kaldra Compleat pale in comparison

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For only a couple bucks, Emperor of Bones just does so much that synergizes with so many other relevant pieces
Not to mention the fact that often, when new sets emerge, youll often see similar decks being used when certain cards, combos or strategies prove successful
C : A playable commander card, not great, maybe youre running it because of budget reasons