Rakdos Midrange 4 Blackcleave Cliffs 4 Blightstep Pathway 4 Blood Crypt 4 Bloodtithe Harvester 4 Fable of the Mirror-Breaker 4 Fatal Push 4 Thoughtseize 4 Archfiend of the Dross 3 Graveyard Trespasser 3 Haunted Ridge 2 Duress 2 Reckoner Bankbuster 2 Hive of the Eye Tyrant 2 Swamp 2 Go for the Throat 2 Kroxa, Titan of Death's Hunger 2 Sheoldred, the Apocalypse 1 Mountain 1 Den of the Bugbear 1 Sokenzan, Crucible of Defiance 1 Takenuma, Abandoned Mire 1 Castle Locthwain 1 Kolaghan's Command 1 Urborg, Tomb of Yawgmoth 1 Bitter Triumph 4 Leyline of the Void 2 Damping Sphere 2 Hidetsugu Consumes All 2 Extinction Event 1 Duress 1 Reckoner Bankbuster 1 The Meathook Massacre 1 Path of Peril 1 Go Blank While the combo of Sorin, Imperious Bloodlord and Vein Ripper no longer available, the core of the midrange strategy remains
Any kind of permanent can be hit, from artifacts to lands, making this card an answer to whatever your opponent is up to
Often just a removal magnet, if the Mentor can stick around for a few turns, it will take over the game
Im not sure Aether Channeler is quite as big a role player as Callous Bloodmage, but its still a flexible piece for Wizards, flicker decks and Human tribal