Alien Ziggurat

When Alien Ziggurat enter the battlefield, you
get {e}{e} (two energy counters).
{t}: {u}
{t}: Add a mana of any color to your mana pool, activate this ability only if you control a Xeno creature.
{t}, Pay {e}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
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