From the Malaysian Spring Fest.

V-BT01/026 R Knight of Rose, Morgana

Grade 1 / Normal Unit / United Sanctuary – Royal Paladin – Human

Power 8000

Shield 10000

AUTO (RC) When it attacks a vanguard, COST [Soul Blast 1], and this unit gets Power+3000 until end of turn for each grade of your vanguard.

Source