Azorius Cluestone | Artifact | | {T}: Add {W} or {U}.
{W}{U}, {T}, Sacrifice Azorius Cluestone: Draw a card. | Raoul Vitale
Dimir Cluestone | Artifact | | {T}: Add {U} or {B}.
{U}{B}, {T}, Sacrifice Dimir Cluestone: Draw a card. | Raoul Vitale
Izzet Cluestone | Artifact | | {T}: Add {U} or {R}.
{U}{R}, {T}, Sacrifice Izzet Cluestone: Draw a card. | Raoul Vitale
Simic Cluestone | Artifact | | {T}: Add {G} or {U}.
{G}{U}, {T}, Sacrifice Simic Cluestone: Draw a card. | Raoul Vitale