Command Tower

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

Kami of the Crescent Moon

At the beginning of each player's draw step, that player draws an additional card.

{T}: Add one mana of any type that a land you control could produce.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

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

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.

Flash
At the beginning of each player's draw step, that player draws an additional card.