$5 books and crowd-sourced listicles about Magic
This show is not active, but it has many episodes marked as 'Best of MTGCast' so it may still be worth checking out!
Active and weekly/monthly.
Hosted by Frank Lepore and Ali Aintrazi, two stalwarts of the scene.
This is the tough love for drafters as it could only be doled out in the silky tenor of your WotC Pro Tour anchors Marshall and Luis.
Pro Points Podcast
Active, weekly, and regularly reposting other casts for even more castage.
This weekly cast is mainly formatted as Patrick Chapin and Michael J. Flores discussing interesting decklists from recent Standard and Modern events. When new sets are spoiled, we get to hear the imagination in action with full passion and some nice historical references.
Weekly episodes about Legacy
Cartel Aristocrats
With multiple episodes per week, this podcast is basically a must-listen that's packed with insight, detail, history, and lessons about design that can apply to any industry.
Active and seasonal, this cast leans towards the beginner and features some great interviews.
The content is evergreen so check out the back episodes.
Active and weekly, this cast from EDHREC is in its first year (as of August 2017)
The Cedric Phillips Podcast
Active and weekly!
Richard, Chaz, and Seth discuss all the news and how they expect players to be impacted.
A standout performer among podcasts, the Zone is now in its fourth year as the hub for a growing menagerie of Magic mastery and mischief.
The GAM Podcast
Active podcast about Vintage
Began in 2017, this cast focuses on lore.
Active and weekly
Very active, very weekly, very Minnesotan sense of humor.
Magic The Flavouring
223 episodes!
Not active since Dragon's Maze.
I believe this is lectures from a college course!
Commanderin'
Think Twice
Color Commontary
Top Level Podcast
Kitchen Table Magic
MTG Fast Finance
Magic the Amateuring
The Masters of Modern