Your search for "Plains 239" revealed the following:
Officer (013) // New Planet Token (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Normal Artist: Gregg Schigiel & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Officer (009) // New Planet Token (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Normal Artist: Carlos Dattoli & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Officer (011) // New Planet Token (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Normal Artist: Charles Chaisson & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Officer (006) // New Planet Token (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Normal Artist: Arthur Yuan & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Officer (008) // New Planet Token (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Normal Artist: Nathaniel Himawan & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Officer (007) // New Planet Token (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Normal Artist: Nia Kovalevski & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Plains (239) - The Unfathomable Crushing Brutality of Basic Lands (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Mark Riddick Card Text: Brutal Basic Lands
Plains (239) - The Unfathomable Crushing Brutality of Basic Lands (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Mark Riddick Card Text: Brutal Basic Lands
Clifftop Retreat - DOM Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Christine Choi Card Text:Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.T: Add R or W....
Tribble (009) // Insect (005) Token (Surge Foil) (TTRC) from Star Trek Commander, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Kevin Glint Card Text:Tribble: This token can't block.