mtg.wtf

This land enters tapped.
When this land enters, exile target player's graveyard.
{T}: Add {B}.

{T}: Add {C}.
{T}, Sacrifice this land: Put your commander into your hand from the command zone.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

{T}: Add one mana of any type that a land you control could produce.

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