Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Crater Hellion enters, it deals 4 damage to each other creature.
Echo (During your next upkeep after this permanent comes under your control, pay its casting cost or sacrifice it.)
When Crater Hellion comes into play, it deals 4 damage to each other creature.
--This card has no flavor text --