Imaginary Thirteen
| Game Type | Build | Decks | 1 |
| Difficulty | Medium | Gameplay Tilt | Balanced |
| Length | Medium | Chance of Winning | Medium |
| Game Type | Build | Decks | 1 |
| Difficulty | Medium | Gameplay Tilt | Balanced |
| Length | Medium | Chance of Winning | Medium |
Basically, a two-deck version of Calculation. Keeping track of the different build intervals on the Foundations can be a bit tricky despite the helpful "marker" cards!