Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.
Edric, Spymaster of Trest is banned as a commander in Duel Commander format, but it may be part of your deck.
A creature controlled by an opponent that deals combat damage to another opponent will cause Edric’s ability to trigger. The creature’s controller chooses whether to draw a card.
When a creature you control deals combat damage to one of your opponents, you may draw a card.