Dimensional Robo, Daidragon

[AUTO]:When this unit is rode upon by a grade 3 card with "Daiyusha" in its card name, call this card to (RC). [AUTO]:When this unit is placed on (RC) from soul by your card's ability, if you have a grade 3 or greater vanguard with "Daiyusha" in its card name, until end of your opponent's next turn, this unit gets "[AUTO](RC):When your vanguard is attacked, [COST][retire this unit], choose one of your vanguards, and it gets [Power] +15000 until end of that battle.", and [Power] +5000.