25 Rulers of the Heavens cards with current prices, from most to least expensive; the most valuable raw card is Ampharos ex 025/054 ($100.51).
Ampharos ex 025/054$100.51PSA 10 $1,721.29
Kingdra ex 015/054$60.10PSA 10 $1,171.78
Minun 027/054$50.25PSA 10 $1,142.28
Flygon 041/054$35.18
Magcargo ex 009/054$35.07PSA 10 $216.38
Absol 048/054$30.15PSA 10 $861.53
Shedinja 006/054$24.10PSA 10 $500.89
Muk ex 002/054$22.03PSA 10 $499.89
Salamence 046/054$16.02PSA 10 $1,026.84
Torkoal 010/054$15.02PSA 10 $300.53
Golem 034/054$12.56PSA 10 $207.44
Plusle 026/054$10.06PSA 10 $776.38
Gyarados 014/054$10.02PSA 10 $126.88
Mr Brineys Compassion 052/054$8.00
Altaria 043/054$7.01PSA 10 $272.03
Grimer 001/054$5.01PSA 10 $151.38
Corphish 018/054$4.63PSA 10 $107.42
Snorunt 020/054$4.53
Girafarig 028/054$4.02
Grumpig 030/054$4.00PSA 10 $255.45
Roselia 007/054$3.75PSA 10 $495.88
Horsea 011/054$3.38PSA 10 $120.51
Energy Recycle System 050/054$3.01
Bagon 044/054$2.00
Taillow 039/054$1.16