Elenda and Azor 6 (Commander: March of the Machine)

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.

NM - $2.20
LP - $2.20
MP - $2.20
HP - $2.20
DMG - $2.20