Its possible that the more natural way to build Slivers is to have Chord of Calling main and Return to the Ranks in the sideboard, but I think most opponents will actually be trying to kill the slivers, and if theyre not, I think well be in good shape, so I think Id rather start with the card that hedges against interaction
22 ultra rare Mega Evolution Pokemon ex and Trainer cards
Signets & Talismans The cycle of 2-color signets and talismans are go-to accelerants for pretty much any deck, especially ones that dont have access to green for Rampant Growth effects
take out Banner of Kinship and put in Enduring Curiosity
If the card is a transforming creature you could pay its cost to turn it face up, however on a non-creature like Twists and Turns it would be stuck as the nameless facedown
Recommended Pokemon To Use Weakness Policy Weakness Policy Currently Very Popular In the current Sword and Shield ranked meta, Weakness Policy is seeing repeated used on many Pokemon