Tau-Gonja, Spring's Keeper

Permanents you control don't untap during their controller's untap step.
At the beginning of your end step, if you control twelve or more tapped permanents, shuffle Tau-Gonja, Spring's Keeper into its owner's library. Take an extra turn after this one.
In the wake of Shi-Shao's destruction always comes his brother, Tau-Gonja, who returns life to barren wastelands.