Should I upgrade Jack of All Trades in Slay the Spire 2?

Compare the upgraded text: Add 2 random Colorless cards into your Hand. Exhaust.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Jack of All Trades?

Jack of All Trades appears in 1 tracked build: Borrowed Arsenal (A-tier, core card).

What character uses Jack of All Trades?

Jack of All Trades is tagged as a Colorless card. Colorless cards can be picked by any class.

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

Jack of All Trades

Colorless · Skill · Uncommon · 0 cost

Base

Upgraded

Card text

Add 1 random Colorless card into your Hand. Exhaust.

Jack of All Trades+

Add 2 random Colorless cards into your Hand. Exhaust.

Builds that use Jack of All Trades

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

ABorrowed ArsenalRegent · Core card

Keywords

Exhaust

Build context

Colorless cards splash into every class. Browse the Colorless card pool and pair it with any class build hub for archetypes that want it.

Related cards

Jack of All Trades FAQ

Should I upgrade Jack of All Trades in Slay the Spire 2?: Compare the upgraded text: Add 2 random Colorless cards into your Hand. Exhaust.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Jack of All Trades?: Jack of All Trades appears in 1 tracked build: Borrowed Arsenal (A-tier, core card).
What character uses Jack of All Trades?: Jack of All Trades is tagged as a Colorless card. Colorless cards can be picked by any class.

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.