◄ Return to the Eternal Power Calculator In-depth: Eternal Power Calculator Math ► About the Eternal Power Calculator You will gain a competitive edge in Eternal by maximizing the chances of playing your cards on curve.

Getting under the hood and optimizing your deck's power base is the best way to ensure that you can play the cards you want, when you want to play them.

The Eternal Power Calculator is a deck-building tool that visualizes your odds of drawing enough Influence and Power based specifically on the cards found in your deck. How it works Import a deck and the visualizer will display a graph showing the probability of meeting specific Influence requirements over a set number of turns. The first column represents your opening hand when going first. Charting Influence
In this example you can see that on Turn 2 you have a better than 90% chance of drawing the right Influence to play any card with a cost of Justice, namely Vanquish. Follow the curve to see that your chances only increase with each additional draw. But what if you want to play Valkyrie Enforcer on Turn 3?

JusticeJustice is a higher Influence cost, so your chances decrease.

Fortunately this deck builder (2017 ETS World Champion camat0) has included enough Justice sources in his power base that the odds are still pretty good - nearly 80%. Draws vs. Turns Here the chart tells us that after 7 turns our odds of hitting FireFireFire to play Icaria, the Liberator are potentially as low as 70%.
However - assuming you will play at least one aditional draw card such as Quarry before Turn 7 - your chances of meeting Icaria’s steep FireFireFireJusticeJusticeJustice requirements improve, as represented by columns 8 or 9.

Beyond the first turn, most decks include additional card draw. Even though we might speak of wanting to play Harsh Rule “on Turn 4 or 5,” what we are really saying is “4 or 5 draws beyond our opening hand.”

This becomes even more important as the game goes on. You draw at least one card per turn of course. But ideally you will also draw some extra cards along the way.

When using the Eternal Power Calculator, it helps to get in the habit of thinking of number of draws rather than number of turns. Power Odds Table Influence is only one of two costs in Eternal that are associated with playing your cards. To see the whole picture, we must also consider Power.

For simplicity, we generally assume that at least one Power card will be drawn for each turn, and our Maximum Power will increase at a consistent rate.

Realistically, however - that only happens when luck is on our side. It is often just as true that we will miss a Power drop and not be able to play Sandstorm Titan until Turn 5 or later.

Deck-builders are constantly asking themselves questions such as, “Have I included enough power to reliably cast Channel the Tempest when I want to?”

The Power Odds Table removes the guesswork by factoring in both Power and Influence costs for every card in your deck. This includes neutral cards such as Seek Power or the Strangers. It even accounts for Ultimates, Champion thresholds and other abilities that have a cost associated with them. 
What is not accounted for? The probabilities displayed by the Eternal Power Calculator are quite accurate and will help you gain a better understanding of your deck. But for the sake of simplification, a couple of factors are not accounted for mathematically: mulligans and prerequisites.

These two factors influence the probabilities in different ways, and when combined they come close to balancing each other out - so the net result is minimal.

For more on the math behind the Eternal Power Calculator strong>, check out the in-depth guide to calculations. Send feedback:
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Keep up with new developments and features as they are added.

For more on deck-building and power bases in Eternal, see:
Guide to Building A Power Base,
A Rockpacker's Guide to Deckbuilding


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