Kordex, Faithless Dominus

Haste, Trample, Ward: Discard 2 land cards
Whenever a Phyrexian creature you control dies, return target land from a graveyard to the battlefield, except it has "{t}: Add one mana of any color. This mana can only be spent to cast Phyrexian spells or activate Phyrexian abilities.
{p/b}{p/r}{p/g}: Sacrifice 3 lands you control: Put an Indestructible counter on Kordex, Faithless Dominus.