存在証明 保科宗四郎 is a Weiß Schwarz card from 怪獣８号 KJ8/S123-009. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this is placed on stage from hand, heal up to 1, then this turn, this gets +4500 power. 【AUTO】 {CX Combo} [(2) Discard 2 cards, Place 1 {Hoshina Soshiro's Peronsal Weapon SW-2033 - 031} from your Waiting Room underneath this face-up as a Marker] When this attacks, if you have the Shot CX (034) in your CX Area, and you have another 《Defense Force》 or 《Kaiju》 character, you may pay cost. If you do, deal 1 damage to your opponent twice, and this turn, this gains the following ability, "【AUTO】 When this card's battle opponent is Reversed, you may send that character to Clock."
This card was printed in Japanese only; the English text above is an unofficial community translation.