Agent of the Fates
Creature — Human Assassin
Deathtouch
Heroic — Whenever you cast a spell that targets this creature, each opponent sacrifices a creature of their choice.
"You are breathing borrowed air."
Matt Stewart
Theros (THS)
• #76Rulings
Heroic abilities will trigger only once per spell, even if that spell targets the creature with the heroic ability multiple times.
(wotc • 2013-09-15)
Heroic abilities will resolve before the spell that caused them to trigger.
(wotc • 2013-09-15)
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.
(wotc • 2013-09-15)
Rulings
Heroic abilities will trigger only once per spell, even if that spell targets the creature with the heroic ability multiple times.
(wotc • 2013-09-15)
Heroic abilities will resolve before the spell that caused them to trigger.
(wotc • 2013-09-15)
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.
(wotc • 2013-09-15)