Sage of Hours

Oracle Text

Heroic — Whenever you cast a spell that targets Sage of Hours, put a +1/+1 counter on it.

Remove all +1/+1 counters from Sage of Hours: For each five counters removed this way, take an extra turn after this one.

Card Rulings

4/26/2014 You must remove all +1/+1 counters from Sage of Hours to activate its ability, even if the number of counters isn’t a multiple of five. For example, if you remove twelve counters to activate the ability, you’ll take two extra turns. If you remove three counters, you won’t take any extra turns.
4/26/2014 Heroic abilities will resolve before the spell that caused them to trigger.
4/26/2014 Heroic abilities will trigger only once per spell, even if that spell targets the creature with the heroic ability multiple times.
4/26/2014 Heroic abilities won’t trigger when a copy of a spell is created on the stack or when a spell’s targets are changed to include a creature with a heroic ability.