while I don't wholly agree with that means of assessing power, the fact you can probably cut the deck to the sub-$300 mark doesn't hurt either
Suggested cards: Blightsteel Colossus - INFECT will take the entirety of the multiverse out Chandra's Ignition - More fire, more damage Sneak Attack - A permanent version of sneaking things in Depthshaker Titan Here's your kaiju moment
It's debatable just how much the value of Vivi's Persistence is upheld by the infamy and power of the character in its artwork, and how much it's based on the card's own merits
Counterspells, especially free counterspells like Mental Misstep and Force of Will, also seem like a really sweet way to leverage the free guys from Young Pyromancer, since you essentially disrupt their turn and add some beatdown to your side of the board
The fact that the deck has several non-halfling creatures like elves, humans, and treefolk all works really well in my opinion
However, if you're invested in playing Slivers, you can follow our Sliver Swarm Upgrade Guide to improve on these unfortunate areas