Demonic Jewel Dragon, Drajeweled D-BT07/FFR05 FFR

[ACT](VC)1/Turn:COST [Counter Blast (1)], and Soul Charge (2). If all of the cards Soul Charge have different grades, you may draw a card. [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)