Alloy Myr

Island

{T}: Add {C}{C}.
{2}, {T}, Sacrifice this artifact: Draw two cards.

{T}: Add {C}. ({C} represents colorless mana.)

{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

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

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.