Wayfarer's Bauble

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Thought Vessel

You have no maximum hand size.
{T}: Add {C}.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.