The House of Tom Bombadil

Target land is an Island, an Plain and a Forest in adittion to his others types. When that land is tapped for mana, it adds two extra mana in any combination of green, blue or white to his mana pool
There's earth under his old feet, and clay on his fingers; wisdom in his bones, and both his eyes are open. Tom Bombadil, speaking of Farmer Maggot