Should I upgrade Quasar in Slay the Spire 2?

Compare the upgraded text: Choose 1 of 3 random Upgraded Colorless cards to add into your Hand.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Quasar?

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

What character uses Quasar?

Quasar 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.

Quasar

Regent · Skill · Uncommon · 0 cost

Base

Upgraded

Card text

Choose 1 of 3 random Colorless cards to add into your Hand.

Quasar+

Choose 1 of 3 random Upgraded Colorless cards to add into your Hand.

Builds that use Quasar

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

Quasar FAQ

Should I upgrade Quasar in Slay the Spire 2?: Compare the upgraded text: Choose 1 of 3 random Upgraded Colorless cards to add into your Hand.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Quasar?: Quasar appears in 1 tracked build: Borrowed Arsenal (A-tier, core card).
What character uses Quasar?: Quasar 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.