Purchase a Box
Choose one of our speciality blind boxes and open them up online. All cards that are available in our boxes appear in the box page.
How It Works
Understanding Our Blind Boxes
Post-purchase Unboxing Logic: Upon the buyer initiating the unboxing process, the system employs the Mersenne Twister algorithm, a widely recognized pseudorandom number generator, to produce a random integer within the range of 1 to 10.
Inventory & Probability Breakdown:
Assume a mystery box contains Items A, B, and C with a total preset inventory of 10 boxes. Each item contributes to the total stock like so:
Item A (3 Units)
Random Number Range:
1, 2, 3
Item B (2 Units)
Random Number Range:
4, 5
Item C (5 Units)
Random Number Range:
6, 7, 8, 9, 10
These values determine the item received based on the calculated probability of each item. Once an item is selected, the system automatically decreases the item's available stock by one unit and recalibrates the numbering assignment for all remaining items. This ensures the random selection algorithm is executed with total fairness in subsequent item allocations.
Terms of Service
Last Updated: March 30, 2026
1. Australian Consumer Law (ACL)
Our goods and services come with guarantees that cannot be excluded under the Australian Consumer Law. For major failures with the service, you are entitled to cancel your service contract with us and a refund for the unused portion, or to compensation for its reduced value.
You are also entitled to choose a refund or replacement for major failures with goods. If a failure with the goods or a service does not amount to a major failure, you are entitled to have the failure rectified in a reasonable time.
2. Eligibility & Accounts
By using Cardery, you represent that you are at least 18 years of age. You are responsible for maintaining the security of your account and all activities that occur under your login credentials.
3. Unboxing & Algorithm Fairness
Cardery operates a transparent, randomized unboxing system. By purchasing a Blind Box, you agree to the following:
- Algorithm Transparency: All outcomes are determined by the Mersenne Twister algorithm based on live inventory.
- Finality of Results: Randomized results are the core of the service. You are not entitled to a refund under ACL for a "change of mind."
- Service Completion: The unboxing service is fully performed once the reveal animation is completed.
4. Send or Redeem Policy
Two-Hour Redemption Window: Following a digital unbox, you have exactly two (2) hours to choose to Redeem your item for Store Credit.
If no action is taken within the 2-hour window, the item is permanently assigned to your vault and prepared for physical shipment.