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Protection from red
When Lavinia of the Tenth enters the battlefield, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)
Activated abilities include a colon and are written in the form “[cost]: [effect].” No one can activate any activated abilities, including mana abilities, of a detained permanent.
If a creature is already attacking or blocking when it’s detained, it won’t be removed from combat. It will continue to attack or block.
If a noncreature permanent is detained and later turns into a creature, it won’t be able to attack or block.
If a permanent’s activated ability is on the stack when that permanent is detained, the ability will be unaffected.
Lavinia’s ability doesn’t affect permanents an opponent gains control of after its enters-the-battlefield ability has resolved. Similarly, if you gain control of a detained permanent after that ability resolves, it will continue to be detained until your next turn.
The converted mana cost of a creature token is 0 unless that token is a copy of another creature, in which case it copies that creature’s mana cost.
The static abilities of a detained permanent still apply. The triggered abilities of a detained permanent can still trigger.
When a player leaves a multiplayer game, any continuous effects with durations that last until that player’s next turn or until a specific point in that turn will last until that turn would have begun. They neither expire immediately nor last indefinitely.
