Obeka, Splitter of Seconds

Menace
Whenever Obeka, Splitter of Seconds deals combat damage to a player, you get that many additional upkeep steps after this phase.

Mountain

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

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

Fire Diamond enters tapped.
{T}: Add {R}.

Charcoal Diamond enters tapped.
{T}: Add {B}.

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.