Shift the World

As an additional cost to play shift the world,
Exert a creature you control.
Counter a target spell of mana cost X or less,
where X is the power of the creature you
Exerted to cast this spell
Kicker {1}{w}: Gain life equal to the toughness of
the creature you exerted to cast this spell.
"Any man can change the world a little, but
those of great mettle can do so much more."