$5 books and crowd-sourced listicles about Magic
Active and weekly/monthly.
Hosted by Frank Lepore and Ali Aintrazi, two stalwarts of the scene.
I believe this is lectures from a college course!
Active and weekly!
Richard, Chaz, and Seth discuss all the news and how they expect players to be impacted.
Active podcast about Vintage
This show is not active, but it has many episodes marked as 'Best of MTGCast' so it may still be worth checking out!
Weekly episodes about Legacy
Active and weekly
Active, weekly, and regularly reposting other casts for even more castage.
Began in 2017, this cast focuses on lore.
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.
223 episodes!
Not active since Dragon's Maze.
The GAM Podcast
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.
Cartel Aristocrats
Magic The Flavouring
Very active, very weekly, very Minnesotan sense of humor.
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.
Active and weekly, this cast from EDHREC is in its first year (as of August 2017)
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 When new sets are spoiled, we get to hear the imagination in action with full passion and some nice historical references.
Pro Points Podcast
The Cedric Phillips Podcast
Active and seasonal, this cast leans towards the beginner and features some great interviews.
The content is evergreen so check out the back episodes.
Think Twice
Commanderin'
Color Commontary
Magic the Amateuring
Top Level Podcast
The Masters of Modern
MTG Fast Finance
Kitchen Table Magic