Masters series

The Masters series is a line of reprint sets, which all share a common naming theme.

Magic Online releases
The Magic Online-only sets contained cards which had not been released on Magic Online before. They are nonredeemable.
 * Masters Edition
 * Masters Edition II
 * Masters Edition III
 * Masters Edition IV
 * Vintage Masters
 * Tempest Remastered

Physical releases
The physical releases were initially geared to provide staples of formats like Modern or Legacy. Later on they changed to being based around themes.

Modern

 * Modern Masters
 * Modern Masters 2015
 * Modern Masters 2017

Legacy

 * Eternal Masters

Themed
After Ultimate Masters, the Masters program was put on a short hiatus.
 * Iconic Masters
 * Masters 25
 * Ultimate Masters
 * Double Masters
 * Time Spiral Remastered

MTG Arena releases

 * Amonkhet Remastered
 * Kaladesh Remastered
 * Pioneer Masters