Changes (V1 to V2).
Overall the theme here was to add more redundancy to getting card draw for myself and opponents.
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Island / +
Otherworld Atlas> Going to 34 Lands felt okay with mana rocks + ramp. Atlas ensures everyone is drawing more cards to trigger my permanents (and especially to help myself with
Archmage Ascension).
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Mystic Sanctuary / +
Geier Reach Sanitarium> Sanctuary will usually be a one time effect, but Sanitarium can offer value every turn cycle.
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Fires Of Yavimaya / +
Beastmaster Ascension> Haste is a great effect for a token deck, but the majority of Snakes will be made on opponents turns and Locusts have Haste already. This was a simple swap to make the Snakes + Locusts more of a threat, but also helps Xyris if connecting for combat damage (card draw ability).
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Surly Badgersaur / +
Consecrated Sphinx> Badgersaur might work better in a Cycle and/or Madness deck. Sphinx is powerful for what it does and could end up eating a removal for Xyris or Locust God at the worst.