Should I upgrade Spectrum Shift in Slay the Spire 2?

Compare the upgraded text: Cost changes from 2 to 1. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Spectrum Shift?

Spectrum Shift appears in 1 tracked build: Borrowed Arsenal (A-tier, core card).

What character uses Spectrum Shift?

Spectrum Shift is tagged as a Regent card. See the Regent build hub for archetypes that care about it.

Updated for Data 2026-03-17Early Access — numbers may shift with patches.

Spectrum Shift

Regent · Power · Uncommon · 2 cost

Base

Upgraded

Card text

At the start of your turn, add 1 random Colorless card into your Hand.

Spectrum Shift+

Cost changes from 2 to 1

Builds that use Spectrum Shift

Archetypes that draft this card in real runs, with the role it plays.

ABorrowed ArsenalRegent · Core card

Build context

See the Regent build hub for archetypes that feature this card in real runs.

Related cards

Spectrum Shift FAQ

Should I upgrade Spectrum Shift in Slay the Spire 2?: Compare the upgraded text: Cost changes from 2 to 1. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Spectrum Shift?: Spectrum Shift appears in 1 tracked build: Borrowed Arsenal (A-tier, core card).
What character uses Spectrum Shift?: Spectrum Shift is tagged as a Regent card. See the Regent build hub for archetypes that care about it.

Patch history

SpireForge snapshots card text from Untapped exports dated 2026-03-17. When Mega Crit ships a balance patch, we re-run the scraper and refresh every affected URL—see /patches for the editorial log.