Sol Ring

Mana Crypt

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}.
{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

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

{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.

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