Case cards have two special keyword abilities that appear before a long dash and represent a triggered ability and an ability that may be static, triggered, or activated.
April 14, 2023 · March of the Machine
Only control of the player changes. All objects are controlled by their normal controllers. A player who’s being controlled during their turn is still the active player.
November 18, 2022 · The Brothers’ War
As a player casts a prototype card, the player chooses whether they cast the card normally or cast it as a prototyped spell using the prototype keyword ability (see rule 702.160, “Prototype”).
October 7, 2022 · Unfinity
Only control of the player changes. All objects are controlled by their normal controllers. A player who’s being controlled during their turn is still the active player.
July 23, 2021 · Adventures in the Forgotten Realms
rule 719.3 not present in this release
October 4, 2019 · Throne of Eldraine
Because each player draws seven cards when the new game begins, any player with fewer than seven cards in their library will lose the game when state-based actions are checked during the upkeep step of the first turn, regardless of any mulligans that player takes. (See rule 704, “State-Based Actions.”)
May 3, 2019 · War of the Spark
Because each player draws seven cards when a game begins, any player with fewer than seven cards in their deck will lose the subgame when state-based actions are checked during the upkeep step of the first turn, regardless of any mulligans that player takes. (See rule 704, “State-Based Actions.”)
January 25, 2019 · Ravnica Allegiance
Because each player draws seven cards when a game begins, any player with fewer than seven cards in their deck will lose the subgame when state-based actions are checked during the upkeep step of the first turn, regardless of any mulligans that player takes. (See rule 704, "State-Based Actions.")
April 27, 2018 · Dominaria
Because each player draws seven cards when a game begins, any player with fewer than seven cards in their deck will lose the subgame when state-based actions are checked during the upkeep step of the first turn, regardless of any mulligans that player takes. (See rule 704, “State-Based Actions.”)
August 26, 2016 · Conspiracy: Take the Crown
Sometimes a loop can be fragmented, meaning that each player involved in the loop performs an independent action that results in the same game state being reached multiple times. If that happens, the active player (or, if the active player is not involved in the loop, the first player in turn order who is involved) must then make a different game choice so the loop does not continue.