Lightning Greaves

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}

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

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

{T}, Pay 1 life: Add one mana of any color.