Zer0, Ghost Assassin

Prowess
When Zer0, Vault Hunter attacks, create a 2/2 legendary colorless Illusion creature token named
Zer0 with prowess and "This creature must be blocked if able." that's tapped and attacking. Exile that token during the next end step.
"Your eyes deceive you. An illusion fools you all. I move for the kill."