mtg sauron commander deck upgrade Sauron, The Dark Lord The Lord of the Ring

Niv-Mizzet, Parun + Niv-Mizzet, the Firemind Niv-Mizzet, Parun is a top 50 commander that even heads up some Izzet cEDH decks, and stars in Izzet's strongest combo with Curiosity

For smaller sources of mill, Teferi's Ageless Insight and Psychic Corrosion both make players mill whenever we draw

Cards that drop lots of creature tokens like Krenko, Mob Boss also become massive damage spells thanks to Purphoros since theres no stipulation on whether the creature entering the battlefield is a token or not

Starting with the Ursula's Return expansion, the shift mechanic gained other ways of being activated beyond paying an ink cost