Do you have it written down anywhere, the common reusable mechanics and the values?
1DR = 2 cost being an example.
1 cost = 1 quanta cost or 1 card cost
+1 attack = +1 cost
+1 DR = +3 cost
Shield/Weapon slot = -3 cost
Permanent cost = +50% Creature cost
Upgrade = 1-2 cost reduction
![Underworld :underworld](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/underworld18x18.png)
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![Underworld :underworld](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/underworld18x18.png)
(Creature/Permanent) activation cost = -1 Cost
![Underworld :underworld](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/underworld18x18.png)
activation cost = -2 Creature cost
![Underworld :underworld](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/underworld18x18.png)
activation cost = +1 Permanent cost
Duo = -1 cost
Trio (hopefully not on 1 card) = -2 cost
Hp
1-5 = 0
6-7 = +1 cost
8-9 = +2 cost
10+ = +3 cost
X
![Underworld :underworld](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/underworld18x18.png)
= (1.5 + 1.5 * X)
![Rainbow :rainbow](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/rainbow18x18.png)