Surely not
You may reveal an Elf, Swamp, or Forest card from among them and put it into your hand
If you give players the tools to solve these problems, it can become a great experience, like when I finally figured out how to best the Scepter lock or Stasis, but new players are missing out on this sense of discovery altogether because the answers simply don't exist
Slivers are a powerful and sought-after card type in the game, with Quick Sliver, Galerider Sliver, and Gemhide Sliver being highly coveted
As you can see already, there are plenty of options that can be tailored to your particular strategy
Ideally, youd want to play both Jeskas Will and Dockside Extortionist in most red decks, then add additional red mana ramp cards as needed, but neither card is particularly cheap, so you might have to find some other cost-effective options in the interim