Enkidu, Burst of Vibrance

Haste, Vigilance
Vanishing 7
Whenever Enkidu, Burst of Vibrance attacks
or blocks remove a fading counter from
Enkidu.
Whenever a fading counter is removed from
Enkidu, Burst of Vibrance exile the top card
of your library, you may cast that card until
the end of your next turn.
Does it matter what I do or don't say? I'm only an aetherborn, we're a short-term problem!