Its the kind of set that hits collectors right in the heart
Shares of Nintendo Co
Many cards feature the Lost Zone mechanic, like Colresss Experiment [Lost Origin], and have a risk/reward playstyle
Here's how the deck looks with the upgrades added: Also to pre-emptively address some comments: one direction that you can take the upgrades is to really lean into Sliver Gravemother's encore ability and turn the deck into a straight-up Encore deck -- Buried Alive and Entomb cards to put slivers into your graveyard, Convergence of Dominion and Zirda, the Dawnwaker to make encore cost less (though PSA Training Grounds doesn't work, I see people suggesting it but sorry no), Mondrak, Glory Dominus to double the encore tokens, Sundial of the Infinite to keep the encore tokens permanently -- that sounds sweet and all but you'd need to do a massive rework of this entire precon, turning it from a Go Wide Sliver Combat deck to Sliver Reanimator essentially
That information lets you sequence correctly, hold up the right answers, or commit safely without walking into a disaster
This is possible due to Poliwrath's Counterattack ability, which triggers automatically if this Pokemon is in the Active Spot