[JP] Elementary School Student Yo-Tuber, Satoshi [DZ-SS04: Corocoro]

[ACT](RC):If you have a grade 3 vanguard with "Black" in its card name, and your opponent's vanguard is grade 3 or greater COST [Counter Blast (1)], search your deck, drop, or soul for up to one grade 4 unit card with "Black" in its card name, and ride it as [Stand]. If you searched the deck, shuffle the deck.
[CONT](Back Row Center RC):If you have a vanguard with "Black" in its card name, this unit cannot be retired by card effects, and all of your units with "Black" in their card names get [Shield]+5000. (Active on opponent's turn too)