Elenda and Azor
Legendary Creature — Vampire Knight Sphinx
Flying, ward 
Whenever Elenda and Azor attacks, you may pay 
. 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.
Randy Vargas
Rulings
You choose the value of X as the first triggered ability resolves.
(wotc • 2023-04-14)
As the last ability resolves, you choose whether to pay 4 life. You can’t pay it more than once to create additional Vampire Knight tokens.
(wotc • 2023-04-14)
Rulings
You choose the value of X as the first triggered ability resolves.
(wotc • 2023-04-14)
As the last ability resolves, you choose whether to pay 4 life. You can’t pay it more than once to create additional Vampire Knight tokens.
(wotc • 2023-04-14)