Snap•Attack

Is Snap good in Slay the Spire 2?

Snap is a common Necrobinder attack in Slay the Spire 2. In combat it resolves as: Osty deals 7 damage. Add Retain to a card in your Hand. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.

Across 14 recorded runs, decks running it win 8.3% of the time, trailing the 12.6% average by 4.3%. It’s a more selective pick, turning up in just 2.7% of decks that could run it. Necrobinder players keep it in 8.1% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.1 times in the decks that take it.

It performs best next to Sic 'Em — together they post a +25.0% swing in win rate. It also has strong chemistry with the relic Gorget, which moves its win rate by +25.0%. At 1 energy, it’s upgraded in 0.0% of runs and usually joins the deck around floor 10.

Upgraded, it gains +3 OstyDamage, which is why so many decks invest a rest-site upgrade in it. That’s 1 wins, 11 deaths, and 2 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 14.3% of its appearances. Read on for Snap’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Necrobinder run.

Best Cards to Pair with Snap

Ranked by win-rate lift, Snap performs best alongside Sic 'Em (+25.0%), Calcify (+25.0%), and Necro Mastery (+16.7%).

Sic 'Em+25.0%3 runsCalcify+25.0%3 runsNecro Mastery+16.7%4 runsInvoke+8.3%7 runsAscender's Bane+6.0%8 runsFlatten+6.0%7 runs

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

Snap Win Rate by Class

Snap is drafted only by the Necrobinder, where it holds a 8.3% win rate across 14 runs.

The Necrobinderappears in 8.1% of its runs (14 tracked)

Best Relics for Snap

Snap pairs best with the relics Gorget (+25.0%), Bound Phylactery (+0.8%), and Lucky Fysh (-8.3%), ranked by win-rate lift.

Gorget+25.0%3 runsBound Phylactery+0.8%13 runsLucky Fysh-8.3%4 runsPotion Belt-8.3%3 runsWar Paint-8.3%3 runsLasting Candy-8.3%3 runs

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

Snap Card Details

Snap is a common attack costing 1 energy; it’s upgraded in 0.0% of runs and usually picked up by floor 10.

Osty deals 7 damage. Add Retain to a card in your Hand.

Upgrade: +3 OstyDamage

What Ends Runs with Snap

Snap’s most common run-enders are Test Subject Boss (14.3%).

• Test Subject Boss14.3% of runs

See Also

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