Root of the Woods

Primary {1} (You may cast this card for it's primary cost rather than it's mana cost. If you do, it cannot activate mana abilities or tap abilities.)
Whenever Root of the Woods deals combat damage to a player, if that damage was 1, that player taps each land he or she controls.
{g}: Switch this creature's power and toughness. (If it was a 5/1, it becomes a 1/5.)