Knight of Great Favor, Orcades DZ-BT14/014 RRR

[AUTO]:When this unit is placed on (RC) from hand, choose a grade 3 card with "Rezael" in its card name from your ride deck, and you may reveal it. If you revealed a card, or you have a grade 3 or greater vanguard with "Rezael" in its card name, search your deck for up to one non-sentinel normal unit with grade less than or equal to your vanguard, discard it, and shuffle the deck. [AUTO](RC):When this unit attacks a vanguard, if you have a grade 3 or greater vanguard with "Rezael" in its card name, until end of that battle, this unit gets [Power]+5000, at the end of that battle, put this unit into soul, and draw a card. If you used a [Divine Skill] this fight, it gets [Power]+10000 instead of +5000. (This effect is mandatory)