Case Complete, Rimuru is a Weiß Schwarz card from 転生したらスライムだった件 Vol.2 TSK/S82-004. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Card type
Character
Side
Schwarz
Color
Yellow
Level
0
Cost
0
Power
500
Soul
1
Traits
Demon Continent, Slime
Neo-Standard
That Time I Got Reincarnated as a Slime
Card Text
【CONT】 All of your other 《Demon Continent》 characters get +500 power.
【AUTO】 [Put 1 card from your hand into your waiting room] When this card is placed on the stage from your hand, you may pay the cost. If you do, search your deck for up to 1 "Fruits of Wisdom", reveal it to your opponent, put it into your hand, and shuffle your deck.