If you have two dredge cards in your graveyard and one of these in play, you can replace your draw step with a dredge trigger, trigger the Skimmer, then replace that draw with your second dredge card
The premise of the deck is to quickly get out cheap walls, build a huge defensive battlefront, and then use your commander (or one of several enchantments) to make the walls able to attack with damage equal to their toughness
The owl head lets out a bone-chilling hoot that reverberates throughout time, allowing Gnostro to glimpse the future movements of its prey
Notably, older cards such as Moonmist that instruct a player to transform permanents don't affect permanents with daybound or nightbound
Genre: Strategy Origin: Japan Number of Players: 1 System Support: online and offline play Manufacturer: Konami Developer: Release Date: JA: April 2016 US: Jan 11, 2017 UK: Jan 11, 2017 Media: Android, iOS devices, and PC ESRB Rating: E10+ (Fantasy Violence, Mild Blood, Suggestive Themes) Konami Digital Entertainment, Inc
(I believe it's fine as long as there is a Fish Synchro monster when the effect resolves