Reiner: Overseeing the Celebrations is a Weiß Schwarz card from Attack On Titan: Final Season AOT/SX04-089. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card attacks, this card gets +X power until end of turn. X is equal to the number of characters your opponent has ×2000. 【AUTO】 When this card's battle opponent becomes 【REVERSE】, choose 1 of your 《Eldian》 characters, and that character gets +2000 power until end of turn.