charizard pokemon card sells for 300k Ultra Gx Gmax Vmax Gigantamax Ex Listed cards may have imperfections. 300k pokemon card Rare Pokémon

They seem to connect to a place known as Hyperspace Lumiose...and the Mythical Pokmon Hoopa has the power to transform them into portals so you can travel there

Outside of just running this because its fun, I can see it being useful in decks like Pako, Arcane Retriever and Haldan, Avid Arcanist

On your next turn (the extra one), just repeat the process: play Walk the Aeons, sacrifice the three islands to bounce it back to your hand, then play the islands out of your graveyard

If you really want to go HAM, you can look at spells that double counters, like Doubling Season, Vorinclex, Monstrous Raider and Deepglow Skate