Greater Good Card draw is good, and many decks can benefit from dumping cards into their graveyard
But Zell's ability has a drawback
To keep your cards in the best condition long-term its pretty simple and not too expensive
Main Genre Fantasy Release Date August 5, 1993 Created by Richard Garfield Character(s) Jace Beleren, Chandra Nalaar, Liliana Vess, Garruk Wildspeaker, Nissa Revane, Ajani Goldmane, Nicol Bolas, Teferi, Gideon Jura, Sorin Markov, Ral Zarek Video Game(s) Magic: The Gathering, Magic the Gathering Commander, Magic: The Gathering - Battlegrounds, Magic the Gathering: Duels of the Planeswalkers 2012, Magic: The Gathering - Duels of the Planeswalkers, Magic: The Gathering Duels of the Planeswalkers 2012, Magic: The Gathering Duels of the Planeswalkers 2013, Magic: The Gathering Duels of the Planeswalkers 2014, Magic: The Gathering Arena
Cast Zellix, the Altar triggers, and then if any opponent mills a creature card, Zellix makes a horror token and Altar triggers again
II, III Wizards you control get +1/+0 until end of turn