Elenda and Azor {3}{W}{U}{B}
Legendary Creature — Vampire Knight Sphinx
Flying, ward {2}
Whenever Elenda and Azor attacks, you may pay {X}{W}{U}{B}. If you do, draw X cards.
At the beginning of each end step, you may pay 4 life. If you do, create a number of 1/1 black Vampire Knight creature tokens with lifelink equal to the number of cards you've drawn this turn.
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Cards that do something similar expected a card that isn't here?
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