Sol Ring

Arcane Signet

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

Flying, double strike, vigilance, trample, indestructible

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

Each player who controls a creature with power 4 or greater draws a card. Then destroy all creatures.

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}.

Destroy all creatures. They can't be regenerated.

{T}: Add {C}.
{T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.