Most decks will want one to three effects, and if you can do so, playing Teferis Protection as your first pick is often the correct choice
As a rule of thumb, try to cut at least four or five consistently tapped lands per precon and replace them with untapped options in your colors
Tezzeret, Artifice Master While Tezzeret, Artifice Master is not nearly as easy to build around as Ajani is, its an incredibly powerful card if the right home can be found for it
Anvil of Bogardan One usual piece of advice to rookies is to read the card to know what it does, but it would be misguided here: Anvil of Bogardan used to say each player skips their discard phase but has received errata to say Players have no maximum hand size. A bit of a Howling Mine with its group hug effect and great in discard-heavy decks, Anvil of Bogardans current popularity is marred by its steep price: Being a Reserved List card and having seen no reprints since Visions , it carries a hefty pricetag
In Forge, you can build and upload decks, build Limited decks to play against AI-built decks, even draft a Cube, be it your own or another persons