Bundle of Joy•Skill

Is Bundle of Joy good in Slay the Spire 2?

In Slay the Spire 2, Bundle of Joy is a rare skill from the Regent card pool. Its effect: Add random Colorless cards into your Hand. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 39 tracked runs its win rate sits at 32.4%, 13.4% ahead of the 19.0% all-deck baseline. It sees niche play, included in only 1.0% of eligible runs. Within Silent runs it’s drafted 0.1% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.1 copies on average.

Its standout pairing so far is Radiate, which lifts its win rate by +22.6% when the two share a deck. On the relic side, Strawberry is its standout companion, worth a +19.3% win-rate swing alongside it. It costs 1 energy, gets upgraded 27.9% of the time, and tends to be picked up near floor 16.

Upgrading the card adds +1 Cards to its stat line. Of the runs that drafted it, 11 ended in victory against 23 deaths and 5 abandons. Its most common run-ender is Bowlbugs Normal, finishing 7.7% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Bundle of Joy fits a Regent deck.

Best Cards to Pair with Bundle of Joy

Bundle of Joy’s strongest card pairings so far are Radiate (+22.6%), Supermassive (+19.3%), and Particle Wall (+19.1%), each shown with the win-rate lift it adds.

Radiate+22.6%5 runsSupermassive+19.3%4 runsParticle Wall+19.1%6 runsStardust+16.3%9 runsSpoils of Battle+15.9%5 runsDying Star+15.9%5 runs

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

Bundle of Joy Win Rate by Class

Of the 4 classes that draft Bundle of Joy, it performs best with Silent (100.0%), Necrobinder (100.0%), and Regent (29.0%).

The Silent100.0%1 runsThe Necrobinder100.0%1 runsThe Regent29.0%36 runsThe Defect0.0%1 runs

Best Relics for Bundle of Joy

The relics that swing Bundle of Joy’s win rate the most are Strawberry (+19.3%), Letter Opener (+19.3%), and Red Mask (+19.3%), with each lift shown.

Strawberry+19.3%4 runsLetter Opener+19.3%4 runsRed Mask+19.3%4 runsGorget+15.9%6 runsTri-Boomerang+15.6%3 runsMiniature Cannon+15.6%3 runs

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

Bundle of Joy Card Details

A 1-energy rare skill, Bundle of Joy is upgraded 27.9% of the time and tends to enter the deck around floor 16.

Add random Colorless cards into your Hand.

Upgrade: +1 Cards

What Ends Runs with Bundle of Joy

Runs holding Bundle of Joy end most often against Bowlbugs Normal (7.7%), Waterfall Giant Boss (5.1%), and Vantom Boss (5.1%) — the share of its runs each accounts for is shown.

• Bowlbugs Normal7.7% of runs
• Waterfall Giant Boss5.1% of runs
• Vantom Boss5.1% of runs
• Soul Fysh Boss5.1% of runs
• Kaiser Crab Boss5.1% of runs

See Also

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