Your search for "Plains 304" revealed the following:
Plains (304) (Foil) (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Nadia Hurianova
Plains (304) (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Nadia Hurianova
Officer (013) // New Planet Token (Foil) (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Gregg Schigiel & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Officer (011) // New Planet Token (Foil) (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Charles Chaisson & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Officer (008) // New Planet Token (Foil) (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Nathaniel Himawan & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Officer (009) // New Planet Token (Foil) (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Carlos Dattoli & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.