Winter Moon

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

Drannith Magistrate

Your opponents can't cast spells from anywhere other than their hands.

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

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

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

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

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

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

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

{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.