Should I upgrade Mirage in Slay the Spire 2?

Compare the upgraded text: Cost changes from 1 to 0. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Mirage?

Mirage appears in 1 tracked build: Venom Cascade (S-tier, flex pick).

What character uses Mirage?

Mirage is tagged as a Silent card. See the Silent build hub for archetypes that care about it.

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

Mirage

Silent · Skill · Uncommon · 1 cost

Base

Upgraded

Card text

Gain Block equal to Poison on ALL enemies. Exhaust.

Mirage+

Cost changes from 1 to 0

Builds that use Mirage

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

SVenom CascadeSilent · Flex pick

Keywords

Exhaust Poison

Build context

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

Related cards

Mirage FAQ

Should I upgrade Mirage in Slay the Spire 2?: Compare the upgraded text: Cost changes from 1 to 0. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Mirage?: Mirage appears in 1 tracked build: Venom Cascade (S-tier, flex pick).
What character uses Mirage?: Mirage is tagged as a Silent card. See the Silent 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.