This is particularly common when non-creature cards become creatures
The flavor wins make it onto the interesting sorceries and instants, including Reprieve, which is (almost) a two-mana white counterspell, and You Cannot Pass that can destroy blocked creatures
In December I actually created a whole tutorial for making these paper ornaments, which you can find here
The new token doesn't copy whether the original token is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, color, and so on
Even if your deck has a really low curve, you probably want a sizable land count if youre running a 4- or 5-mana commander
Surveil 1 for 3 mana will give us a significant advantage if the games go long