Imprison
Mana cost
Mana value1TypeEnchantment — Aura
Color identity
Black
RarityRare
SetLegends (LEG)
ArtistChristopher Rush
Price—
Imprison 
Enchantment — Aura
Enchant creature
Whenever a player activates an ability of enchanted creature with
in its activation cost that isn't a mana ability, you may pay
. If you do, counter that ability. If you don't, destroy this Aura.
Whenever enchanted creature attacks or blocks, you may pay
. If you do, tap the creature, remove it from combat, and creatures it was blocking that had become blocked by only that creature this combat become unblocked. If you don't, destroy this Aura.
Whenever a player activates an ability of enchanted creature with
Whenever enchanted creature attacks or blocks, you may pay
Legality
CommanderBannedStandardNot legalPioneerNot legalModernNot legalLegacyBannedVintageBannedPauperNot legalBrawlNot legalOathbreakerBannedHistoricNot legalTimelessNot legalPenny DreadfulNot legal
Rulings
2013-04-15
A mana ability is an ability that (1) isn't a loyalty ability, (2) doesn't target, and (3) could add mana when it resolves.
2004-10-04
Both abilities are triggered abilities. The first one triggers on the activating of a creature ability, and the second triggers on declaration of attacking or blocking.