It was only available for a limited time & disappeared quickly
We'll cover all the major and minor design changes over the last 22 years including: 2019 - Core Set 2020 (re-design) 2018 - Dominaria (legendary name design) 2017 - Unstable (full art design) 2014 - Magic 2015 Core Set (re-design) 2013 - Theros (enchantment background) 2010 - Rise of the Eldrazi (colorless background) 2008 - Shards of Alara (gold background) 2008 - Shadowmoor (two color backgrounds) 2003 - Scourge (re-design) 2000 - Invasion (re-design) 1998 - Unglued (first design!) Major frame design changes 2019 - M20 frame The recent Core set 2020 spoilers revealed a brand new, full art, token design
Before that, this card was highly susceptible to price spikes thanks to its low supply, jumping up as high as $30 whenever a new combo or synergy reared its head
Known for its exceptional ability to accelerate a player's mana production, Mox Sapphire is as powerful as it is beautiful
Instead, every time you play it or another land while you have seven or more lands out, you get to make a 2/2 Zombie creature token
Gone are the yellow borders around all cards front-facing side, replaced by a silver edge that The Pokmon Company claims is the originally intended border