As an additional cost to cast Collateral Damage, sacrifice a creature.
Collateral Damage deals 3 damage to target creature or player.
It is much easier to create fire than to contain it.
Illus. Ryan Barger
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
MythicSpoiler is a dedicated visual spoiler, designed to let you EXPLORE, DISCOVER and EXPERIENCE new Magic the Gathering sets in a simple, sortable gallery.