Deckbuilder's Toolkit: Calculating Threshold Requirements
- Kyle Blankenship
- Oct 10, 2024
- 3 min read
Updated: Nov 28, 2024
If you want to read the full article with detailed explanations for the numbers, you can find it here:Deckbuilder's Toolkit: The Atlas
Calculating multi-element spells such as Yellow Knight
Add 1 additional source for each required element pip. Only 1 additional source is required regardless of how many cards in your spellbook require the same threshold. This need for an additional source can be cut to half of a source for each 5 sources you have in your deck that produce all necessary elements.
Seer's Ability
Each time you use Seer to scry the top card of your atlas counts as a single "look". If you are running a mid-range Seer deck. You plan to scry your atlas an average of 50% of the time and you want to cast a 4-mana, double-air spell on turn 4. By turn 4 you will have an average of 2 extra looks at the Atlas. This means that you should jump up to the turn 7&8 column of the table (since this is where 9 "sites seen" is calculated). In this column, a double-element (EE) spell requires a minimum of 10 sources.
If your deck contains 1 such card. It is negligible for threshold calculations.
2 such cards counts as 20% of a "look".
3 such cards counts as 33% of a look.
4-7 such cards counts as 50% of a look.
8-10 such cards count as 75% of a look.
These numbers may seem low but they are weighted in a way to adjust for how relevant the threshold is likely to be when you are likely to draw one of these cards.
1 such card - 15% of a source on average
2 - 20% average
3 - 33% average
4/5 - 50% average
6/7/8 - 75% average
The more spells you see during the time-frame you want to count these as a source the higher you can rate them. If you have enough fire sources in your deck to accommodate everything except Meteor Shower at 9 mana, you can consider Ruby Core as a higher % of a source for calculating Meteor Shower's requirements.
If you need to add fire sources for early plays, Ruby Core becomes much less statistically relevant.
While playing Mirror Realm nearby an opponent's site can help you unlock threshold, it doesn't happen often enough to make it worthwhile as a counted individual source. Count it towards threshold requirements for 2 or more pips of the same element using the following guidelines:
If you have cards with more than one element pip in your Spellbook, Mirror Realm is worth the following % of a source:
1 element in your deck has spells with more than one threshold pip of the same type - Mirror Realm counts as a full source for the sake of casting those spells.
2 elements in your deck have spells with more than one threshold pip of the same type - Mirror Realm counts as 50% of a source towards both elements.
3 or 4 elements in your deck have spells with more than one threshold pip of the same type - Mirror Realm counts as 25% of a source towards all elements.
For 2-element decks with mostly single element pips, count each Valley as a whole source.
For 2-element decks that have many cards with more than one element pip, count Valley as half of a source.
For 3/4-element decks with mostly single element pips, count Valley as a half of a source for each element.
For 3/4 element decks running spells with more than one pip, count Valley as 25% of a source for each element.
Floodplain counts as 1.33 water sources on average. If your deck is running Floodplain as the only water source, or there are very few other water sources in the deck, you can count it as 2 full sources for spells/abilities requiring 2 or more water pips
Annual Fair can be counted as a full source for all elements as long as you are adding 1 mana to the cost of the spell for each threshold pip required.
If you are playing as the Elementalist, adjust all of your threshold requirements by shifting one column to the left on the table; EEEE column left shifts to EEE and so on. Additionally ignore all requirements for single element pips.
Thanks for reading and happy brewing!
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