If you have spent any time in MTG or Pokemon communities online you have seen the phrase "box EV" thrown around. Players calculate it before buying sealed product, post their results after opening, and use it to argue whether a set is worth buying. But for players new to this concept, EV can seem like an intimidating piece of jargon.
It is not. Expected value is a straightforward calculation that takes about thirty seconds to understand. This guide explains what it means, why it matters for Australian players specifically, and how to use the C3 EV Calculator to get a current AUD verdict on any MTG booster box before you buy.
Expected value (EV) in TCG is the average total value of cards you would expect to open from a booster box, calculated in dollars. If a box costs AU$180 and the EV is AU$150, you are paying AU$30 above EV for the experience of opening. If EV is AU$200 and the box costs AU$180, the numbers are in your favour. EV is an average — individual results vary significantly — but it tells you whether you are paying a reasonable premium for the opening experience or a very large one.
The Simple Version
You open a booster box. Inside are some cards worth a lot, most worth very little. Expected value is the calculated average of what those cards are worth in total, based on:
- The pull rate of each card rarity (how often each card appears per pack)
- The secondary market value of cards in each rarity tier (what people actually pay for them on eBay or TCGPlayer)
Multiply pull rate by value, sum across all rarities, multiply by the number of packs. That is EV.
A box EV of AU$160 on a box that costs AU$180 means you are paying AU$20 above EV. That AU$20 is the price you are paying for the experience of opening packs — the excitement of not knowing what you will pull. Whether that is worth it is a personal decision. EV just gives you the number to make an informed one.
Why EV Matters More for Australian Players
Australian MTG and TCG players pay more for sealed product than almost any other market. A booster box that costs USD$120 in the United States retails for AU$150-180 in Australia after import costs, local distribution margins, and currency conversion.
This matters for EV because the secondary market for individual cards in Australia is also different from the US market. TCGPlayer prices are USD-denominated and do not reflect what Australian buyers actually pay on eBay AU. A card listed at USD$10 on TCGPlayer might sell for AU$18-22 on eBay AU after currency conversion and AU shipping costs — or it might sell for AU$12 if Australian demand for that specific card is lower.
The C3 EV Calculator uses AUD-denominated prices sourced from the Australian eBay secondary market rather than converted USD figures. This makes it significantly more accurate for Australian buyers than US-based EV tools.
What EV Does Not Tell You
EV is a useful tool but it has real limitations.
EV is an average across many boxes, not a prediction for your specific box. If the average EV for a box is AU$160, that does not mean your box will be worth AU$160. You might open AU$80 worth of cards or AU$280 worth. The average is calculated across thousands of boxes. Your individual result will differ.
EV assumes you can sell every card at market rate. In practice, selling 36 commons worth AU$0.20 each takes time and effort that may not be worth it. EV is most useful as a proxy for whether the high-value slots (mythics and chase rares) justify the box cost.
EV changes as the market moves. A set released three months ago has different EV than the same set at release, because secondary market prices have had time to settle as supply meets demand. The C3 EV Calculator is based on current AUD market data rather than release-day prices.
EV does not account for the opening experience. Some players open packs because they enjoy it, regardless of EV. That is a completely valid reason to open. EV just helps you understand what premium you are paying for that experience.
How the C3 EV Calculator Works
The C3 EV Calculator covers 43 MTG sets with individual calculators for each. Each calculator uses:
- Official Wizards of the Coast pull rate data for each set
- Current AUD secondary market prices sourced from eBay Australia sold listings
- Pack count and box price inputs so you can adjust for your actual purchase price
You enter how many packs you are opening and your purchase price. The calculator returns:
- Total expected value in AUD
- Expected value per pack in AUD
- Your cost per pack in AUD
- A verdict: Worth Opening, Borderline, or Avoid
The verdict thresholds are set at 90 percent EV coverage (Worth Opening), 70-90 percent coverage (Borderline), and below 70 percent coverage (Avoid — Buy Singles Instead).
Run the MTG EV Calculator — Australia
43 MTG sets covered. Enter your purchase price for a current AUD verdict.
Go to the EV Calculator Hub →The Verdict System Explained
Worth Opening (EV covers 90%+ of cost): The cards you statistically expect to pull are worth close to or more than what you paid. Opening is the mathematically reasonable choice. You are paying a small or negligible premium for the experience.
Borderline (EV covers 70-90% of cost): You are paying a moderate premium above EV. Whether this is acceptable depends on how much you value the opening experience. For players who enjoy opening packs, borderline is often still a reasonable choice. For pure value-seekers, singles are better.
Avoid — Buy Singles (EV covers below 70% of cost): You are paying a significant premium above EV. The cards you statistically expect to pull are worth substantially less than what you paid for the box. Buying the specific singles you want directly will give significantly better value.
A Practical Example
Say you want to decide whether to buy an MTG Final Fantasy Play Booster box at AU$180.
You run the C3 EV Calculator. It returns:
- Total expected value: AU$165
- Cost: AU$180
- EV coverage: 91.7%
- Verdict: Worth Opening
The calculator is telling you that based on official pull rates and current AU secondary market prices, the average box at AU$180 contains cards worth approximately AU$165. You are paying AU$15 above EV — a small premium of about 8 percent for the experience of opening.
If the same calculator showed AU$120 EV on an AU$180 box (66.7% coverage), the verdict would be Avoid. You would be paying AU$60 above EV — a 50 percent premium over what the cards are statistically worth. Buying the specific singles you want would save AU$60 per box in that scenario.
When to Ignore EV
EV is a tool, not a rule. There are valid reasons to open packs even when EV says Avoid:
- You are drafting or playing Limited with the set
- You collect specific sets and want the physical cards regardless of value
- You enjoy the opening experience and are treating it like entertainment spending
- You are buying as a gift where the experience matters more than value
EV is most useful when you are trying to make a rational financial decision about whether opening or buying singles gives better value for your money. It is not a judgement on players who open for other reasons.
Frequently Asked Questions
What is a good EV for a MTG booster box in Australia? A box EV covering 90 percent or more of the purchase price is considered good. Coverage of 70-90 percent is borderline. Below 70 percent suggests buying singles is significantly better value.
Does EV include foil cards? Yes. The C3 EV Calculator includes foil pull rates and average foil values in the calculation. Foil pulls can significantly raise EV for sets with high foil demand.
How often does the EV Calculator update prices? The EV Calculator uses market data that reflects current AU secondary market conditions. Prices shift as the market evolves — always run the calculator with current data rather than relying on calculations from weeks or months ago.
Can I use EV for Pokemon or other TCGs? The C3 EV Calculator currently covers MTG sets. Pokemon, Lorcana, and One Piece calculators are planned for future release. The concept of EV applies identically to all TCGs.
Is EV the same as a box's resale value? Not exactly. EV represents the total market value of cards you statistically expect to open. Resale value depends on your ability to actually sell those cards, which involves time, shipping, marketplace fees, and demand. EV is best used as a comparison tool rather than a literal profit calculation.