For example, if you are using a deck that relies heavily on Machine-type cards, pairing those with a spell card like Limiter Remover, which doubles the attack of all Machine monsters you currently control, can make the difference in any given battle phase
While 151 has experienced plenty of ups and downs as the product has been reprinted and sold out multiple times, this card will likely continue to be a favorite
Hypland have released several of their previously previewed rugs, as reported on here
Duskmourn: House of Horror Commander (DSC) and Special Guests (SPG) are Commander-, Legacy-, and Vintage-legal sets, and individual cards are also legal where already available in other formats
In decks with many creatures you may want to run at least 1 board protection card with more ( 2-3 ) to be recommended unless you can have other ways to recover your board like mass recursion