Animation Module [Kaladesh Prerelease Promos] Hour of Devastation Prerelease Promos Whenever you cast a Merfolk

Whenever you cast a Merfolk spell

the Evening Star dies

Put Seasons Past on the bottom of its owner's library

it's just because it finds them tastier that way

or the creature's toughness

Animation Module [Kaladesh Prerelease Promos] Hour of Devastation Prerelease Promos Whenever you cast a MerfolkSet: Kaladesh Prerelease Promos Type: Artifact Rarity: Rare Cost: {1} Whenever one or more +1 +1 counters are put on a permanent you control, you may pay {1}. If you do, create a 1 1 colorless Servo artifact creature token. {3}, {T}: Choose a counter on target permanent or player. Give that permanent or player another counter of that kind. Design leads to progress.