Module mana 

Structs

ManaAtom

Bitmask constants for mana atoms, matching Java ManaAtom. Each bit represents a property of a mana symbol.

ManaCost

A complete mana cost (e.g. {2}{W}{U}). Mirrors Java ManaCost. Immutable once constructed.

Enums

ManaCostShard

Individual mana cost shard (one symbol in a mana cost). Mirrors Java ManaCostShard. Each variant stores its atom bitmask and display string.