Izzet Signet

Blightsteel Colossus

Trample, infect, indestructible
If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

Progenitus

Protection from everything
If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Mox Emerald

Arcane Signet

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

Selesnya Signet

Azorius Signet

Gruul Signet

Orzhov Signet

Island

Mox Sapphire

Mox Jet

Golgari Signet

Mox Pearl

Boros Signet

Simic Signet

Mox Amber

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

Mox Opal

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.