Spectrum Shift•Power

Is Spectrum Shift good in Slay the Spire 2?

Spectrum Shift is an uncommon Regent power in Slay the Spire 2. In combat it resolves as: At the start of your turn, add random Colorless cards into your Hand. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.

Across 91 recorded runs, decks running it win 28.2% of the time, comfortably clear of the 18.9% average, by 9.3%. It’s a more selective pick, turning up in just 2.4% of decks that could run it. Necrobinder players keep it in 0.1% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.2 times in the decks that take it.

It performs best next to Crush Under — together they post a +26.3% swing in win rate. It also has strong chemistry with the relic Vajra, which moves its win rate by +28.7%. At 2 energy, it’s upgraded in 57.8% of runs and usually joins the deck around floor 13.

Upgraded, it gains -1 EnergyCost, which is why so many decks invest a rest-site upgrade in it. That’s 24 wins, 61 deaths, and 6 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Waterfall Giant Boss, which closes out 4.4% of its appearances. Read on for Spectrum Shift’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Regent run.

Best Cards to Pair with Spectrum Shift

Ranked by win-rate lift, Spectrum Shift performs best alongside Crush Under (+26.3%), The Smith (+23.5%), and Sword Sage (+23.5%).

Crush Under+26.3%10 runsThe Smith+23.5%9 runsSword Sage+23.5%9 runsBulwark+23.2%14 runsVoid Form+20.8%8 runsLargesse+20.5%4 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Spectrum Shift Win Rate by Class

Spectrum Shift is played across 4 classes, led by Necrobinder (100.0%), Regent (28.1%), and Defect (0.0%) by win rate.

The Necrobinder100.0%1 runsThe Regent28.1%88 runsThe Defect0.0%1 runsThe Ironclad0.0%1 runs

Best Relics for Spectrum Shift

Spectrum Shift pairs best with the relics Vajra (+28.7%), Oddly Smooth Stone (+26.3%), and Venerable Tea Set (+25.9%), ranked by win-rate lift.

Vajra+28.7%10 runsOddly Smooth Stone+26.3%8 runsVenerable Tea Set+25.9%12 runsCentennial Puzzle+23.5%9 runsGorget+23.3%12 runsPendulum+23.1%16 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Spectrum Shift Card Details

Spectrum Shift is an uncommon power costing 2 energy; it’s upgraded in 57.8% of runs and usually picked up by floor 13.

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

Upgrade: -1 EnergyCost

What Ends Runs with Spectrum Shift

Spectrum Shift’s most common run-enders are Waterfall Giant Boss (4.4%), Decimillipede Elite (4.4%), and Terror Eel Elite (4.4%).

• Waterfall Giant Boss4.4% of runs
• Decimillipede Elite4.4% of runs
• Terror Eel Elite4.4% of runs
• The Kin Boss3.3% of runs
• Bowlbugs Normal3.3% of runs

See Also

Compare Spectrum Shift with the rest of the best Slay the Spire 2 cards, relics, and classes below.