Encantamiento nevado — Aura
Encantar criatura.
La criatura encantada no puede bloquear y no pueden jugarse sus habilidades activadas.

: La criatura encantada gana la habilidad de defensor hasta el final del turno. (

puede pagarse con un maná de un permanente nevado.)
Gelid Shackles doesn’t stop static abilities or triggered abilities from working. It also won’t prevent the creature from attacking unless the enchanted creature is given defender before attackers are declared.
Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.