Gravity Mountain is a Pokémon TCG card from Surging Sparks SSP-177. Compare listings from Singapore Pokémon TCG sellers on CardJio, then jio them on WhatsApp.
Each Stage 2 Pokémon in play (both yours and your opponent's) gets -30 HP.
双方场上所有【2阶进化】宝可梦的最大HP各「-30」。