Misty Midnight

As Misty Midnight enters the battlefield, choose a creature type.

Whenever a creature you control of the chosen type enters the battlefield, you may pay {b/g}{b/g}. If you do, that creature enters with haste and lifelink. You lose 2 life for each creature entering the battlefield this way.

{t}: Create a 2/2 colorless creature token of the chosen creature type.