Tiny MailboxRelic
Whenever you Rest, procure 2 random potions.
Is Tiny Mailbox good in Slay the Spire 2?
In Slay the Spire 2, Tiny Mailbox is an uncommon relic you can pick up on your climb. Its effect: Whenever you Rest, procure 2 random potions. Right now it’s a high-value grab, sitting at B tier — one of the relics most worth taking.
Over 20 tracked runs the win rate of decks holding it sits at 45.0%, 32.4% ahead of the 12.6% all-run baseline. It sees lighter play, carried in only 3.9% of runs. It does its best work in the hands of the Necrobinder, who post a 80.0% win rate with it. Within Necrobinder runs specifically, it’s carried 2.9% of the time.
Its standout card pairing is Cloak of Stars, which lifts the relic’s win rate by +55.0% when both are in play. It also works nicely with Mayhem, good for a +55.0% win-rate change. It typically enters the deck near floor 24. As an uncommon relic, how often it’s offered depends on its rarity tier.
Of the runs that carried it, 9 ended in victory while 11 fell to a defeat. Its most common run-ender is Infested Prisms Elite, finishing 10.0% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Tiny Mailbox is worth grabbing.
Tiny Mailbox Win Rate & Pick Rate
At a 45.0% win rate, Tiny Mailbox runs 32.4% ahead of the 12.6% all-run baseline — the bars below put the two side by side.
Run Outcomes with Tiny Mailbox
Across the 20 runs that carried Tiny Mailbox, 9 ended in a win and 11 in a loss — a 45.0% win share, counting abandons as losses.
- Wins 45.0%
- Losses 55.0%
Best Cards with Tiny Mailbox
The cards that gain the most from carrying Tiny Mailbox are Cloak of Stars (+55.0%), Mayhem (+55.0%), and Bodyguard (+35.0%), each shown with its win-rate swing.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Tiny Mailbox Win Rate by Class
Of the 4 classes that carry Tiny Mailbox, it performs best with Necrobinder (80.0%), Silent (50.0%), and Defect (33.3%).
Tiny Mailbox Details
Carried in 3.9% of runs, Tiny Mailbox is an uncommon relic typically acquired near floor 24.
Whenever you Rest, procure 2 random potions.
What Ends Runs with Tiny Mailbox
Runs carrying Tiny Mailbox end most often against Infested Prisms Elite (10.0%) — the share of its runs each accounts for is shown.
- Infested Prisms Elite10.0% of runs
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Tiny Mailbox – Frequently Asked Questions
Is Tiny Mailbox good in Slay the Spire 2?
Across 20 tracked runs carrying it, Tiny Mailbox wins 45.0% of the time — +32.4% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Tiny Mailbox do in Slay the Spire 2?
Whenever you Rest, procure 2 random potions.
How rare is Tiny Mailbox in Slay the Spire 2?
Tiny Mailbox is an Uncommon relic, picked up in 3.9% of tracked runs.
What is the best card to use with Tiny Mailbox?
In tracked runs, Tiny Mailbox has performed best alongside Cloak of Stars, which lifts its win rate by +55.0% over 3 runs together.
Which class is Tiny Mailbox best in?
Tiny Mailbox has its highest win rate with The Necrobinder (80.0%).
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.