If you have better dual lands (anything from Polluted Delta to Watery Grave to Drowned Catacomb to Clearwater Pathway), adding them to the deck over the current duals (starting with Temple of Deceit and Choked Estuary) will improve the deck, although I probably wouldn't run out and spend hundreds of dollars on lands just to upgrade Dimir Thieves
With the update to the game, there is also a digital version you can play with online right now
"Pokemon TCG: All Crystal Pokemon, Ranked"
Pokmon TCG: EX Emerald Highlights Ties directly into the Pokmon Emerald video game, featuring marquee Hoenn Pokmon like Rayquaza, Deoxys, Groudon, and Kyogre
The card plays rather like a God-Pharaoh's Gift that uses all graveyards, not just yours, and I expect it to be good in the same decks
PSA 10 often 23x raw on icons