Vigorous Farming
Lands you control enter the battlefield untapped.
At the beginning of your end step, the topmost land card in your library perpetually gains "Whenever this land is tapped for mana, add an additional ."
At the beginning of your end step, the topmost land card in your library perpetually gains "Whenever this land is tapped for mana, add an additional ."
Legal in
Brawl, Historic, Alchemy