Édifice d'autorité

Text:

, : La créature ciblée ne peut pas attaquer ce tour-ci. Mettez un marqueur « brique » sur l'Édifice d'autorité.
, : Jusqu'à votre prochain tour, la créature ciblée ne peut ni attaquer ni bloquer et ses capacités activées ne peuvent pas être activées. N'activez cette capacité que s'il y a au moins trois marqueurs « brique » sur l'Édifice d'autorité.

Rulings:

• 4/18/2017 Edifice of Authority can’t be used to undo an attack or block once it has been declared. Its abilities must be activated no later than the beginning of combat step to stop a creature from attacking, and no later than the declare attackers step to stop a creature from blocking.
• 4/18/2017 Once a player has announced that they are activating the ability of a creature, Edifice of Authority can’t be used to undo it. Its last ability must be activated before the player activates that creature’s ability. The player may respond to Edifice of Authority’s ability with the target creature’s ability if able.
• 4/18/2017 Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keyword abilities are activated abilities and will have colons in their reminder text. Triggered abilities (starting with “when,” “whenever,” or “at”) are unaffected by the last ability of Edifice of Authority. Notably, exerting a creature isn’t an activated ability.