Progenitus, World's Forebear

Trample, Protection from everything.

Progenitus, World's Forebear enters with +2/+2 for every colour pair with exactly 2 colours spent to cast it.

If only life was spent to cast it, Progenitus, World's Forebear enters as a Legendary Land with
"{t}: Add Two mana of any one colour." and it can still be cast for its mana cost.

If Progenitus would be put into the graveyard from anywhere, reveal it and shuffle it into your library.