Absolute Zero, Kashua

[AUTO]: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 (RC). [AUTO](RC):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 [Power] +5000 until end of that battle, and at the end of that battle, [COST][retire this unit], and draw a card.