Merfolk Secretkeeper // Venture Deeper (ELD) from Throne of Eldraine, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Jana Schirmer
• Card Text:
  Venture Deeper U
  Sorcery — Adventure
  Target player puts the top four cards of their library into their graveyard. (Then exile this card. You may cast the creature later from exile.)