Jewel-embracing Dragon Fang, Drajeweled

[CONT]:When this card would be rode upon, it is also regarded as "Demonic Jewel Dragon, Drajeweled". [AUTO](VC):When this unit attacks a vanguard, [COST][Soul-Blast 4 cards with different grades], choose one of your opponent's vanguards, until end of turn, increase or decrease its [Power] to 1, and if your opponent's vanguard is grade 3 or greater, this unit gets [Critical] +1. ([Power] at that time becomes 1, and can increase or decrease afterwards) [CONT](RC):If you [Soul-Blast 4] or more cards at the same time for the cost of your card's ability this turn, this unit gets [Power] +5000.