Black Observe, Hamiel V-BT12/SP19 SP

[AUTO](VC/RC):When placed, if you have a vanguard with "Black" in its card name, COST [Counter Blast (1)], call a card from your damage zone to (RC), and deal one damage to your vanguard. This ability may only be used by a card with the same card name once a turn. (Perform a damage check) [AUTO](RC):When it attacks, COST [Counter Blast (3)], until end of that battle, this unit gets [Power]+15000/[Critical]+1, and your opponent cannot call sentinels from his or her hand to (GC). At the end of that battle, put this unit into your soul.