Invasion of Belenon // Belenon War Anthem
Battle — Siege // Enchantment
(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 this Siege enters, create a 2/2 white and blue Knight creature token with vigilance.
Creatures you control get +1/+1.
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Cards that do something similar expected a card that isn't here?
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Invasion of New Phyrexia // Teferi Akosa of Zhalfir 88%
$1.26#9961
"When this Siege enters, create X 2/2 white and blue Knight creature tokens with vigilance."