Ma Xiao Bao Li's most expensive card.

The most expensive card of Polly Pony is SGR card.

The most expensive card in Polly's pony is SGR. In Ma Xiao Baolika, the rarity of cards is divided into several grades, including SSR, SR, SP, SGR, TR, TGR, AR, LGR, UR, 3R, 2R and so on. SGR-class cards are highly rare, with a small number and relatively high price. Some special cards, such as signature cards and rare cards, also have high value and high price. It can be concluded that SGR card is the most expensive card in Ma Xiao.