Carl, Nine-Lives Profiteer

Vigilance, Menace, Deathtouch

Ward —{2}, Mill 9 cards.

If a card would be put into a graveyard from anywhere, exile it with a paw counter on it.

Whenever Carl, Nine-Lives Profiteer attacks, each player exiles the top 3 cards of their library.
You may play lands and cast spells with a paw counter on them, and you may spend mana as though it were mana of any color to cast those spells.