Your search for "command tower (0806)" revealed the following:
Command Tower (TRC) from Star Trek Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Arthur Yuan Card Text:T: Add one mana of any color in your commander's color identity.
Command Tower (Foil) (CC2) from Commander Collection: Black, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Julian Kok Joon Wen Card Text:T: Add one mana of any color in your commander’s color identity.
Command Tower - Furby: Doo-ay Noo-lah (Confetti Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: SchmandrewART Card Text:T: Add one mana of any color in your commander’s color identity.
Reliquary Tower (TRC) from Star Trek Commander, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: William Phifer Card Text:You have no maximum hand size.T: Add C.
Command Tower (CC2) from Commander Collection: Black, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Julian Kok Joon Wen Card Text:T: Add one mana of any color in your commander’s color identity.
Command Tower (C16) from Commander 2016, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ryan Yee Card Text:T: Add to your mana pool one mana of any color in your commander's color identity.
Command Tower - Hatsune Miku: Digital Sensation (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Rudy Siswanto Card Text: Brain Dead: Lands
Command Tower - Hatsune Miku: Digital Sensation (Rainbow Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Rudy Siswanto
Command Tower (272) (40K) from Warhammer 40,000 Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Games Workshop Card Text:T: Add one mana of any color in your commander's color identity.
Command Tower (854) (Surge Foil) (WHO) from Doctor Who, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Hector Ortiz Card Text:T: Add one mana of any color in your commander's color identity.
Command Tower (Surge Foil) (PIP) from Fallout, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Gabriel Tanko Card Text:T: Add one mana of any color in your commander's color identity.
Command Tower - Pixel Lands 02.jpg (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Jubilee Card Text: Pixel Lands 02.jpg