yugioh clash of rebellions booster box classic YuGiOh Booster Box [24 Packs] Many of these cards will have synergy with cards from Legendary Collection 4 YuGiOh! Clash of Rebellions 1st

Illustrated by Victor Adame Minguez Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp

Instead, youre forced to use pre-built decks

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

Furthermore, once the Mantle comes into play, the player may return any number of Aura and Equipment cards from the graveyard to play