With such a loosely-defined theme for this product, WotC have seized the chance to jam in all sorts of cards which have struggled to find the right home for a reprint
Gold-Forge Garrison Gold-Forge Garrison Dunes of the Dead Dunes of the Dead Gargoyle Castle Gargoyle Castle Cradle of the Accursed Cradle of the Accursed Dark Depths Dark Depths Foundry of the Consuls Foundry of the Consuls Sliver Hive Sliver Hive Springjack Pasture Springjack Pasture Urza's Factory Urza's Factory Gods' Eye, Gate to the Reikai Gods' Eye, Gate to the Reikai Westvale Abbey Westvale Abbey Tomb of Urami Tomb of Urami Kher Keep Kher Keep Hellion Crucible Hellion Crucible Grove of the Guardian Grove of the Guardian
In addition to this, such Flying Pikachu cards have a high resistance to the fighting element, which is usually one's only chance to take down a powerful lightning element pokemon
Okay, enough monkeying around, lets check out the deck
A 5/5 flying and first strike body is good enough to fight, but if it survives until your next upkeep, its giving you two cards you can play, and Treasures/creatures along with them
