From the Vault: Transform cards price Analysis

From the Vault: Transform Set average value

Set price evolution (paper):
Set price evolution (online):

From the Vault: Transform Mythics

Delver of Secrets Delver of Secrets
  Played in 2395 decks in the last year
Jace, Vryn's Prodigy Jace, Vryn's Prodigy
  Played in 1015 decks in the last year
Arguel's Blood Fast Arguel's Blood Fast
  Played in 546 decks in the last year
Huntmaster of the Fells Huntmaster of the Fells
  Played in 273 decks in the last year
Garruk Relentless Garruk Relentless
  Played in 176 decks in the last year
Archangel Avacyn Archangel Avacyn
  Played in 101 decks in the last year
Kytheon, Hero of Akros Kytheon, Hero of Akros
  Played in 72 decks in the last year
Nissa, Vastwood Seer Nissa, Vastwood Seer
  Played in 63 decks in the last year
Arlinn Kord Arlinn Kord
  Played in 39 decks in the last year
Liliana, Heretical Healer Liliana, Heretical Healer
  Played in 28 decks in the last year
Chandra, Fire of Kaladesh Chandra, Fire of Kaladesh
  Played in 17 decks in the last year