Rule 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…
- 190.6.b While a Battlefield is Uncontrolled, its Abilities are also Uncontrolled unless that ability indicates a player…
- 190.6.c If an Ability of a Battlefield indicates that a specific player makes a choice, that player is the Ability’s…
- 190.6.d “You” in a battlefield’s abilities refers to the battlefield’s Controller, as does the implied “you” in instructions…