Aura spells you cast costless to cast.
Heroic — Whenever you cast a spell that targets Hero of Iroas, put a +1/+1 counter on Hero of Iroas.
9/15/2013 Heroic abilities will resolve before the spell that caused them to trigger.
9/15/2013 Heroic abilities will trigger only once per spell, even if that spell targets the creature with the heroic ability multiple times.
9/15/2013 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.
2/1/2014 Hero of Iroas’s first ability will apply if you cast a card for its bestow cost.