I have played almost nothing but Pioneer for the last few weeks, and I'll be laying out everything I know about the format by looking at the top five most important cards in the format and how they shape the format as a whole
You can also sacrifice noncreature tokens, like Blood, Treasure, or Clues
Obviously, you can't use GX or EX cards in your own deck, if you want to run Power Plant, as it effects both sides of the table
I, II, III Create a 3/3 black Wraith creature token with menace
All cards are in your Trunk, sorted alphabetically, and you can add cards to your deck in a few button presses
[2] When your Fiend monster is destroyed by battle: You can Special Summon this card from the GY