四騎士 is a Weiß Schwarz card from グランブルーファンタジー GBF/S134-111. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
{CX Combo} If you have a 《Feendrache》 or 《Wales》 character, choose 1 of the following 4 effects and resolve it, a) "Look at up to 4 cards from the top of your deck, choose up to 1 《Granblue》 character from among them, show it to your opponent, add it to hand, send the rest to Waiting Room" b) "Choose 1 {R 3/2 Siegfried - 064} in your Waiting Room, add it to hand." c) "Choose 1 {RR 1/0 Lancelot - 087} in your Waiting Room, place it on stage in any slot, and this turn, it gets +2000 power." "(1) You may pay cost. If you do, choose 1 {Door CX for Siegfried - 085} in your Waiting Room, add it to hand."
This card was printed in Japanese only; the English text above is an unofficial community translation.