Counters, tokens, and scaling creatures can turn a few points of life into real pressure if the deck is built around it
Dregscape Sliver Doesnt Dregscape Sliver just have to go in your sliver Commander decks
Able to tap for two mana, Ancient Tomb is capable of accelerating your curve an entire turn for the cost of two life per activation
If the creatures are too much to handle, it's good to use the creature destruction effect, and if the battlefield is manageable, destroying all lands is the way to go
We have writers write a bunch of stuff about the world, and we end up with a whole world guidewe can build an entire world around it." Each new world comes with all its own themes, strife, magic, and complications