The Basking Capybara, with its unique abilities and cost, would fit well in a casual or fun-focused deck that emphasizes creature synergy and potentially life gain or token generation, making it a good choice for decks that utilize themes like go wide or creature swarm
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Magic's slow lands (which enter tapped unless you already control two or more lands) have always been a popular sight for any deck with more than one color, especially in more casual formats
A challenge of designing Equipment cards involves fitting them into the noncreature slots of the deck, so living weapon was a way to allow the cards to go into a creature slot
Full Art prints had a diamond background resembling shards
Furthermore, Gardenias Vigor allows you to attach those Energy cards after you draw the two cards, making it possible to attach Grass Energy you draw into with its effect