CardName: Constructer's Workshop
Cost:
Type: Land
Pow/Tgh: /
Rules Text: Devoid (This card has no color)
{T}: Add {U} to your mana pool
{T}: Add {W} to your mana pool as long as you control a
Construct
Flavour Text:
Set/Rarity: Tribal Warfare Rare
Constructer's Workshop
R
Land
Devoid (This card has no color)
: Add to your mana pool
: Add to your mana pool as long as you control a Construct
Devoid is useless here. Unless a card mention it is a specific color, its color identity is that of its mana cost.