Argue all you want for Incinerate, which came out in Ice Age and replaced Lighning Bolt in the core set, saving one Red Mana to keep your opponent in fear is a lot better than having to save two
Grist is another prediction that I felt good about at the time, and continue to feel good about today
You can also attempt to get extra combat steps through cheaper options such as Relentless Assault and Resurgence, or the new red Creature Karlach, Fury of Avernus
You do need to pay life for the cards you may choose to draw, but Sylvan Library only needs itself to draw you some card advantage
The options may be chosen on the product page Khans of Tarkir Prerelease Kit $30.00 Select options This product has multiple variants
Obviously, this is a problem in Magic where there are tons of free artifacts, artifact creatures, and even artifact lands