Ub, the Unbroken

Landfall - Whenever a land enters the battlefield, create a 1/1 blue and green artifact salamander token with "Sacrifice this creature: Counter target spell".
You may play and additional land on your turn.
{t}, Sacrifice 6 artifact salamander tokens. Return all nonland permanents you don't control to their owner's hands.
"Broken? Not even." Ub's creator.