When you do, each opponent will lose one life, adding to the drain portion of this decks theme
This means that even if a player has established incredible defenses, Sower of Discord can allow that player to be dealt damage by simply attacking another opponent
Amzu, Swarms Hunger Amzu, Swarm's Hunger thrives with a Golgari graveyard recursion theme with staples like Eternal Witness and Spring-Leaf Avenger to pull cards out of your graveyard
They can also be disruptive or staxy, leaning heavily on the white element, or focus on synergizing with fliers or flicker effects, which is a little bluer
Ragavan is an absolutely brilliant creature, and he is worth using in Commander in addition to Modern
The card will essentially function as a five-mana board wipe that can counter anything on the stack