Arnav, Enlightened Madman

{w}{w}{w}: Arnav, Enlightened Madman gains triple strike until end of turn.
If Arnav would die, exile it instead, then create a colorless Legendary Artifact token names "Hammock of the Dragon." It has "Sacrifice a permanent: You draw a card and you gain 4 life. Activate this ability only once each turn and only any time you could cast a sorcery."