Invasion of New Phyrexia // Teferi Akosa of Zhalfir (mom)

As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When Invasion of New Phyrexia enters the battlefield, create X 2/2 white and blue Knight creature tokens with vigilance.

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Teferi Akosa of Zhalfir
Legendary Planeswalker - Teferi
[+1]: Draw two cards. Then discard two cards unless you discard a creature card.
[-2]: You get an emblem with "Knights you control get +1/+0 and have ward .)
[-3]: Tap any number of untapped creatures you control. When you do, shuffle target nonland permanent an opponent controls with mana value X or less into its owner's library, where X is the number of creatures tapped this way.