Core Rules - v1.4
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↕ 0 earlier rules
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| 190.4.c. |
If a player has no Units at a Battlefield and the turn is in an Open state, they lose Control of that Battlefield in the following cleanup unless there is a Combat or Showdown ongoing there. |
| 190.5. |
Control is a constant state. |
| 190.6. |
Control of a Battlefield determines Control of its Abilities. |
| 190.6.a. |
While a Battlefield is Controlled, its Controller controls its Abilities unless that ability indicates another player does. The controlling player takes responsibility for adding them to the Chain if applicable, and makes all choices required by them unless otherwise specified. |
| 190.6.b. |
While a Battlefield is Uncontrolled, its Abilities are also Uncontrolled unless that ability indicates a player controls it. If there is no such indication, the Turn Player takes responsibility for adding them to the Chain if applicable, makes all choices required by them unless otherwise specified, and is treated as their Controller if any game rule or effect requires one. |
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Example: The Arena’s Greatest is a battlefield that reads “At the start of each player's first Beginning Phase, that player gains 1 point.” This ability will usually trigger while the battlefield has no controller. If it does, the Turn Player goes through the steps of adding the ability to the chain and receives priority after doing so, exactly as if they controlled the ability. |
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| 190.6.c. |
If an Ability of a Battlefield indicates that a specific player makes a choice, that player is the Ability’s controller. They take responsibility for adding it to the chain if applicable and make all choices required by the ability. They and only they control the ability, regardless of who controls the Battlefield. |
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↕ 3239 later rules
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