Magic: The Gathering Comprehensive Rules Changes - Future Sight to Core Set - Tenth Edition

Old rule (Future Sight)	New rule (Core Set - Tenth Edition)
410.2a. [Click to view all changes.]
410.2a. If a triggered ability's trigger event is met, but the object with that triggered ability is at no time visible to all players, the ability does not trigger.	410.2a. If a triggered ability's trigger condition is met, but the object with that triggered ability is at no time visible to all players, the ability does not trigger.

Old rule (Future Sight)

New rule (Core Set - Tenth Edition)

410.2a.

If a triggered ability's trigger event is met, but the object with that triggered ability is at no time visible to all players, the ability does not trigger.

410.2a.

If a triggered ability's trigger condition is met, but the object with that triggered ability is at no time visible to all players, the ability does not trigger.