24 cards where the block is “med”

Ajani, Mentor of Heroes (Mythic Edition #RA5)
Dack Fayden (Mythic Edition #RA6)
Daretti, Ingenious Iconoclast (Mythic Edition #GR3)
Domri, Chaos Bringer (Mythic Edition #RA7)
Elspeth, Knight-Errant (Mythic Edition #GR1)
Garruk, Apex Predator (Mythic Edition #WS5)
Gideon Blackblade (Mythic Edition #WS2)
Jace, the Mind Sculptor (Mythic Edition #WS3)
Jaya Ballard (Mythic Edition #RA4)
Karn, Scion of Urza (Mythic Edition #RA1)
Kaya, Orzhov Usurper (Mythic Edition #RA8)
Liliana, the Last Hope (Mythic Edition #GR2)
Nahiri, the Harbinger (Mythic Edition #WS7)
Nicol Bolas, Dragon-God (Mythic Edition #WS6)
Nicol Bolas, Planeswalker (Mythic Edition #GR4)
Ral, Izzet Viceroy (Mythic Edition #GR5)
Sarkhan Unbroken (Mythic Edition #WS8)
Sorin Markov (Mythic Edition #RA3)
Tamiyo, the Moon Sage (Mythic Edition #RA2)
Teferi, Hero of Dominaria (Mythic Edition #GR6)
Tezzeret, Agent of Bolas (Mythic Edition #GR7)
Tezzeret the Seeker (Mythic Edition #WS4)
Ugin, the Spirit Dragon (Mythic Edition #WS1)
Vraska, Golgari Queen (Mythic Edition #GR8)

The message was clear to Sorin—time to search for something else.