Mana Base Calculator
Based on Frank Karsten's methodology - determine how many colored sources you need to consistently cast your spells
99-card Duel Commander • London Mulligan • 90% consistency threshold
Source Requirements by Turn
Tables show minimum colored sources needed to cast spells on curve
Total lands:
C
Single colored mana
CMC: 1
| Turn | T1 | T2 | T3 | T4 | T5 | T6 | T7 |
|---|---|---|---|---|---|---|---|
| Sources Needed | 23 | 21 | 19 | 18 | 17 | 15 | 14 |
How to use: If you want to cast a C spell on turn 1, you need at least 23 sources of that color in your deck with 40 total lands.
Data generated using Frank Karsten's simulation methodology (2013) with London Mulligan rules.
Based on 100,000 iterations per configuration • 90% consistency target • Duel Commander (no free mulligan)