Metamorphosis•Skill

Is Metamorphosis good in Slay the Spire 2?

In Slay the Spire 2, Metamorphosis is an event skill from the Event card pool. Its effect: Add random Attacks into your Draw Pile. They're free to play this combat. The data flags it as a weaker pick, settling at F tier — usually one to pass on unless your deck specifically wants it.

Over 89 tracked runs its win rate sits at 21.4%, 2.5% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 2.4% of eligible runs. Within Necrobinder runs it’s drafted 2.2% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.0 copies on average.

Its standout pairing so far is Tools of the Trade, which lifts its win rate by +18.1% when the two share a deck. On the relic side, Sword of Jade is its standout companion, worth a +22.4% win-rate swing alongside it. It costs 2 energy, gets upgraded 35.9% of the time, and tends to be picked up near floor 24.

Upgrading the card adds +2 Cards to its stat line. Of the runs that drafted it, 18 ended in victory against 66 deaths and 5 abandons. Its most common run-ender is Knowledge Demon Boss, finishing 13.5% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Metamorphosis fits a Event deck.

Best Cards to Pair with Metamorphosis

Metamorphosis’s strongest card pairings so far are Tools of the Trade (+18.1%), Defy (+16.2%), and Finesse (+15.3%), each shown with the win-rate lift it adds.

Tools of the Trade+18.1%3 runsDefy+16.2%9 runsFinesse+15.3%4 runsParse+15.3%4 runsGold Axe+15.3%4 runsModded+15.3%5 runs

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

Metamorphosis Win Rate by Class

Of the 5 classes that draft Metamorphosis, it performs best with Necrobinder (33.3%), Regent (25.0%), and Silent (25.0%).

The Necrobinder33.3%18 runsThe Regent25.0%13 runsThe Silent25.0%13 runsThe Ironclad15.8%19 runsThe Defect13.0%26 runs

Best Relics for Metamorphosis

The relics that swing Metamorphosis’s win rate the most are Sword of Jade (+22.4%), Pael's Blood (+18.3%), and Venerable Tea Set (+17.4%), with each lift shown.

Sword of Jade+22.4%4 runsPael's Blood+18.3%8 runsVenerable Tea Set+17.4%11 runsKifuda+15.3%4 runsLasting Candy+15.3%6 runsLizard Tail+15.3%4 runs

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

Metamorphosis Card Details

A 2-energy event skill, Metamorphosis is upgraded 35.9% of the time and tends to enter the deck around floor 24.

Add random Attacks into your Draw Pile. They're free to play this combat.

Upgrade: +2 Cards

What Ends Runs with Metamorphosis

Runs holding Metamorphosis end most often against Knowledge Demon Boss (13.5%), Queen Boss (11.2%), and Kaiser Crab Boss (9.0%) — the share of its runs each accounts for is shown.

• Knowledge Demon Boss13.5% of runs
• Queen Boss11.2% of runs
• Kaiser Crab Boss9.0% of runs
• Infested Prisms Elite5.6% of runs
• The Insatiable Boss5.6% of runs

See Also

Keep exploring Slay the Spire 2 tier lists and stats below.