Will-warp Wyrd

Split second. (As long as this spell is on the stack,
players can't cast spells or activate abilities that aren't
mana abilities.)
Counter target spell.
Living Spell: {u} (As you cast this spell, you may
pay its living spell cost; if you do, as it resolves it
enters the battlefield as a creature)
Flying
{u}, Sacrifice Will-warp Wyrd: Counter target
spell that targets you or a permanent
you control.