Cost

Cost refers to, the Locus Points to be paid and the conditions to be fulfilled, in order to play a card, or use an ability.

The cost to play a card involves a Locus Cost and a Gem Level, shown on the top left of a card. Only Follower Cards and Action Cards have a Play Cost.

The cost to use an ability is shown in bold in the card text before a ▷ symbol, following which are the descriptions of the ability.
The order of which a cost is to be paid, in the case of multiple conditions, is from left to right, with each condition being separated by a comma.

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◎ Locus Cost

Locus Cost refers to, the Locus Points to be paid, in order to play a card, or use an ability.

The Locus Cost of a card is shown as a number inside a circle, on the top left of a card.

The Locus Cost of an ability is shown as a number inside a circle, before a ▷ symbol.

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◎ Gem Level

Gem Level refers to, the number and color of Gems that are set on the Colossus, required to play a card, or activate an ability.

The Gem Level of a card is shown as colored Gem marks below the Locus Cost, on the top left of a card.

The Gem Level of an ability is shown as colored Gem marks, before a ▷ symbol.

The Gem Level of a card can only be fulfilled by Set Gems, and not Capture Gems. As long as the number and color of the Set Gems are equal to or more than the Gem Level, a card can be played.
In the case of the Gem Level of an ability, both Set Gems and Capture Gems can be used towards fulfilling the Gem Level. Capture Gems are treated as colorless Gems, and a non-colored gem mark in a Gem Level can be fulfilled by Gems of any color.

● The order and number of Colossus Gems are not affected when fulfilling Gem Levels.
● Colossus Gems that have been used to fulfill a Gem Level can be used again for subsequent costs within the same turn.

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The following is an example of the cost to play a Follower Card

There are 2 White Set Gems, and 4 Locus Cards. However, 1 Locus Point has already been used, as marked by the Locus Counter, so 3 Locus Points can still be used this turn.

● "★Ash★" cannot be played, as it requires a Gem Level of 3 White Gems.
● "Heroic Knight" also cannot be played, as it has a Locus Cost of 4.

"Spurring Griffin" is the only card that can be played, as there are enough Locus Points to pay for its Locus Cost of 3, and enough Gems to fulfill its Gem Level of 2 White Gems.
To play "Spurring Griffin", shift the Locus Counter to the right by 3 Locus Cards, and place "Spurring Griffin" onto the field.

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Card abilities sometimes allow for cards to be played, ignoring their costs. However, the conditions differ depending on the card text.

"Play a card without paying its Cost", refers to playing a card, while ignoring all its costs, including both the Locus Cost and the Gem Level.

"Play a card without paying its Locus Cost", refers to playing a card, while ignoring only its Locus Cost. In other words, the Gem Level still has to be fulfilled for the card can be played.