This means that this card is an "evolved stage" of Regidrago V. Classified as Dragon-types, Regidrago V and Regidrago VSTAR ...
Pokemon (17) Regidrago V, SIT 135 (3) Regidrago VSTAR, SIT 136 (3) Teal Mask Ogerpon ex, TWM 25 (3) Dragapult ex, TWM 81 (2) Giratina VSTAR, LOR 131 (1) Kyurem, SFA 47 (1) ...