Narasimha, Enraged

This card costs {1} less for each artifact that was
destroyed this turn.
Double Strike, Haste
Narasimha, Enraged must be blocked.
At the end of your turn, if Narasimha didn't kill
a creature, transform him.
"He wore the demon king's entrails around his neck,
as if they were a garland of flowers!"
-Valmiki