Decanter of Endless Water

You have no maximum hand size.
{T}: Add one mana of any color.

Hedron Archive

{T}: Add {C}{C}.
{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent.

Players can't untap more than one nonbasic land during their untap steps.

Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

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

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

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

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

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