Rule evolution

Rule 106.4

Earliest archived Rules release: 2009-10-01 · 4 wording revisions · 0 renumberings

  1. Earliest archived Rules release106.4Details
    When an effect produces mana, that mana goes into a player's mana pool. From there, it can be used to pay costs immediately, or it can stay in the player's mana pool. Each player's mana pool empties at the end of each step and phase.
  2. Wording changed106.4Details
    When an effect producesinstructs a player to add mana, that mana goes into a player's mana pool. From there, it can be used to pay costs immediately, or it can stay in the player's mana pool as unspent mana. Each player's mana pool empties at the end of each step and phase, and the player is said to lose this mana. Cards with abilities that produce mana or refer to unspent mana have received errata in the Oracle card reference to no longer explicitly refer to the mana pool.
  3. Wording changed106.4Details
    When an effect instructs a player to add mana, that mana goes into a player's mana pool. From there, it can be used to pay costs immediately, or it can stay in the player's mana pool as unspent mana. Each player's mana pool empties at the end of each step and phase, and the player is said to lose this mana. Cards with abilities that produce mana or refer to unspent mana have received errata in the Oracle card reference to no longer explicitly refer to the mana pool.
  4. Wording changed106.4Details
    When an effect instructs a player to add mana, that mana goes into a player's mana pool. From there, it can be used to pay costs immediately, or it can stay in the player's mana pool as unspent mana. Each player's mana pool empties at the end of each step and phase, and the player is said to lose this mana. Cards with abilities that produce mana or refer to unspent mana have received errata in the Oracle(tm) card reference to no longer explicitly refer to the mana pool.
  5. Wording changed106.4Details
    When an effect instructs a player to add mana, that mana goes into a player's mana pool. From there, it can be used to pay costs immediately, or it can stay in the player's mana pool as unspent mana. Each player's mana pool empties at the end of each step and phase, and the player is said to lose this mana. Cards with abilities that produce mana or refer to unspent mana have received errata in the Oracle(tm) card reference to no longer explicitly refer to the mana pool.

Current in the latest available Rules
Unchanged since 2026-08-07.