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 Trapped in the Tower.
04-10-2019
wotc
If the enchanted creature gains flying, Trapped in the Tower is put into your graveyard as a state-based action. The creature won't get stuck in the tower again when it loses flying.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.