Burnished Hart

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Sol Ring

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

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

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.