Retro Evolution Device

About Retro Evolution Device

Retro Evolution Device, Item, designed by None first released in Feb, 2026 in the set Winterspell. It's currently being selled by the minimum price of 12589.67.

Retro Evolution Device would fit best in an Emerald-based tempo or combo deck that wants to “upgrade” low-cost characters with strong on-play effects into more powerful midgame threats ahead of curve, especially in lists that run expendable early characters (like ones that replace themselves or provide value when banished) and high-impact 4–6 cost targets to cheat out; it’s particularly attractive in aggressive-midrange Emerald builds that can maintain board pressure while turning a cheap character into a stronger one without spending full ink. However, because it costs 3 ink plus 1 more to activate, requires exerting, and demands you already have a character in play to sacrifice, it’s fairly slow and setup-heavy compared to more consistent ramp or tempo tools like Just In Time (which cheats a character into play more directly) or Emerald’s bounce and tempo cards that generate advantage without card disadvantage, so while it has combo potential and could shine in a dedicated synergy de