自意識 is a Weiß Schwarz card from おそ松さん OMS/S41-059. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Search your Deck for up to 1 Character with 「松」 in its name and show it to your opponent, add it to Hand, shuffle the Deck afterwards. Choose 1 of your Characters with 「松」 in its name, during this turn, it gets +3000 Power.
This card was printed in Japanese only; the English text above is an unofficial community translation.