Absolute Zero, Kashua

:When this unit is rode upon by a grade 3 card with "Absolute Zero" in its card name, choose an "Absolute Zero, Claio" from your soul, and call that card and this card to . :When this unit attacks a vanguard, if you have a grade 3 or greater vanguard with "Absolute Zero" in its card name, this unit gets +5000 until end of that battle, and at the end of that battle, [retire this unit], and draw a card.