Manifested Self

{1}: Manifested Self gains +1/+0 until end of turn.
Trample, indestructible, vigilance, convoke Manifested Self's power is equal to twice the number of lands you control. Its toughness is equal to your life total. Prevent all damage that would be dealt to you. Damage dealt to Manifested Self causes you to lose that much life.
Manifested Self must attack each turn if able. It must block a creature each turn if able.
The mightiest weapon in your arsenal is yourself.