Oxos, Galaxy Cultivator

Indestructable, Reach, Hexproof, Shroud
Lands you control generate twice the
amount of mana they normaly generate.
You may play instant and sorcery spells without paying their mana cost.
{10}{w}{w}{u}{u}{b}{b}{r}{r}{g}{g}: You win
the game.
{w}{u}{b}{r}{g}: Draw 10 cards