2016-07-13

While controlling another player, you can see all cards in the game that player can see. This includes cards in that player’s hand, face-down cards that player controls, and any cards in that player’s library the player may look at.

2016-07-13

Controlling a player doesn’t allow you to look at that player’s sideboard. If an effect instructs that player to choose a card from outside the game, you can’t have that player choose any card.

2004-10-04

Only lets you make decisions that the player would actually make. If another effect allows another player to make decisions that would normally be made by that player, such as having another player decide how combat damage is dealt, then the other effect takes precedence.

2004-12-01

You control them for the entire turn, from the untap step to the cleanup step.

2004-12-01

You could gain control of yourself using Mindslaver, but gaining control of yourself doesn’t really do anything.

2004-12-01

You don’t control any of the other player’s permanents, spells, or abilities.

2004-12-01

You can’t make the other player concede. A player can choose to concede at any time.

2004-12-01

You get to make every decision the other player would have made during that turn. You can’t make any illegal decisions or illegal choices — you can’t do anything that player couldn’t do. You can spend mana in the player’s mana pool only on that player’s spells and abilities. The mana in your mana pool can be spent only on your spells and abilities.

2004-12-01

You choose which spells the other player casts, and make all decisions as those spells are cast and when they resolve. For example, you choose the target for that player’s Shock, and what card that player gets with Diabolic Tutor.

2004-12-01

You choose which activated abilities the other player activates, and make all decisions as those abilities are activated and when they resolve. For example, you can have your opponent sacrifice their creatures to their Nantuko Husk or have your opponent’s Timberwatch Elf give your blocking creature +X/+X.

2004-12-01

You make all decisions for the other player’s triggered abilities, including what they target and any decisions made when they resolve.

2004-12-01

You choose which creatures attack and how those attacking creatures assign their combat damage.

2004-12-01

You also make choices for your own permanents, spells, and abilities as usual.

2004-12-01

You can’t make any decisions that aren’t called for or allowed by the game rules, or by any cards, permanents, spells, abilities, and so on.

2004-12-01

If you make another player cast Shahrazad, you don’t control that player in the subgame, but you continue to control them once the subgame is completed.

2024-04-12

You only control the player. You don’t control any of that player’s permanents, spells, or abilities.

2024-04-12

You can use only the affected player’s resources (cards, mana, and so on) to pay costs for that player; you can’t use your own. Similarly, you can use the affected player’s resources only to pay that player’s costs; you can’t spend them on your costs.

2024-04-12

Multiple player-controlling effects that affect the same player overwrite each other. The last one to be created is the one that works.

2024-04-12

While controlling another player, you can see all cards in the game that player can see. This includes cards in that player’s hand, face-down cards that player controls, and any cards in that player’s library the player may look at.

2024-04-12

While controlling another player, you also continue to make your own choices and decisions.

2024-04-12

The player you’re controlling is still the active player during that turn.

2024-04-12

If the targeted player skips their next turn, you’ll control the next turn the affected player actually takes.

2024-04-12

Controlling a player doesn’t allow you to look at that player’s sideboard. If an effect instructs that player to choose a card from outside the game, you can’t have that player choose any card.

2024-04-12

You could gain control of yourself using Mindslaver, but gaining control of yourself doesn’t really do anything.

2024-04-12

You can’t make the affected player concede. That player may choose to concede at any time, even while you’re controlling that player.

2024-04-12

While controlling another player, you make all choices and decisions that player is allowed to make or is told to make during that turn. This includes choices about what spells to cast or what abilities to activate, as well as any decisions called for by triggered abilities or for any other reason.

2024-04-12

You can’t make any illegal decisions or illegal choices—you can’t do anything that player couldn’t do. You can’t make choices or decisions for that player that aren’t called for by the game rules or by any cards, permanents, spells, abilities, and so on. If an effect causes another player to make decisions that the affected player would normally make (such as Master Warcraft does), that effect takes precedence. In other words, if the affected player wouldn’t make a decision, you wouldn’t make that decision on that player’s behalf.

2024-04-12

In a Two-Headed Giant game, gaining control of a player causes you to gain control of each player on that team.

2024-04-12

You also can’t make any choices or decisions for the player that would be called for by the tournament rules (such as whether to take an intentional draw or whether to call a judge).