A negate ability takes a previously completed ability and undoes the effect of that ability.
How to Play[]
A negate ability interrupts all specified special abilities and prevents them from reactivating. A negate ability also prevents targeted special abilities from ever being able to activate.
Clarifications[]
Phrases that are constructed as “Negate a/an/all [card type/card name](s)” are equivalent to “Negate all special abilities on a/an/all [card type/card name](s)”.