Your search for "Command Tower (0806)" revealed the following:
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 (FRC) from Reality Fracture Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Josu Solano Card Text:T: Add one mana of any color in your commander's color identity.
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.
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 (CMR) from Commander Legends, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ryan Yee Card Text:T: Add one mana of any color in your commander's color identity.
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 (C19) from Commander 2019, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ryan Yee Card Text:T: Add one mana of any color in your commander’s color identity.
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 (CM2) from Commander Anthology Volume II, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ryan Yee Card Text:T: Add one mana of any color in your commander's color identity.
Command Tower - Borderless (Surge Foil) (PIP) from Fallout, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: AKQA Card Text:T: Add one mana of any color in your commander's color identity.
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.