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Library / Calculate

Mana Base Calculator

Check whether source counts support a color or land-drop target by a turn.

Source math first, then turn target.

Inputs

Result

79%

Probability

Resolve chance79%

Chance to see at least 3 of 24 sources by turn 3.

This uses exact hypergeometric math from the shared probability package.

Why it matters

A deck can have the right spells and still fail because its color sources do not show up on time. This calculator makes cast-on-curve pressure visible before testing games.