Wizbang, Hanging by a Thread

Whenever a nontoken artifact is put into your graveyard, draw a card, then discard a card.

{u/r}, Exile a noncreature artifact from your graveyard: Choose one that hasn't been chosen this turn —
• Wizbang, Hanging by a Thread phases out.
• Unattach all Equipment from target creature.
• Exile a nonland card with mana value 3 or less from
your hand. It becomes plotted.