For example, Kaheera, the Orphanguard's restriction is that all creatures in the deck must be either a Cat, Elemental, Nightmare, Dinosaur, or Beast card
Doc Ock, Evil Inventor (SPE) $29.50 Doc Ock, Evil Inventor is a beefy creature with an impact on the battlefield, if your opponents let you use it effectively
Historically, Mill has only been viable in draft when you are able to further your game plan of dumping your opponents library while simultaneously interacting with their threats
You'll need a hefty seven mana to play it, but once you do, you're set up for a few cool plays
Not to mention that the damage is based on the number of +1/+1 counters, which there are a plethora of ways to get