Xcalibur's extensive guide to Anti-Mage. Inside you will find everything you need to carry yout team to victory (updated for 7.20):
D2 Bowie's analytical video about Miracle's Anti-mage gameplay in 7.19.
A 4k MMR carry player coaching session by BSJ (PL, Weaver, AM, Techies).
A replay analysis of an Archon Anti-Mage by Cookie with emphasis on winning hard lanes and farming efficiently in the mid game.
A 3.5k MMR Anti-Mage coaching session by BSJ: sense of urgency, good understanding of where to be, having confidence in your decision making.
Meric explains how to get a fast Battlefury.