You can even animate a spacecraft without any creatures in play, provided that you have noncreature means of adding and/or proliferating charge counters
Some with horns, some with wings, some without either, and a mix of different colors and creature types
Commander Najeela, the Blade-Blossom Whenever a Warrior attacks, you may have its controller create a 1/1 white Warrior creature token that's tapped and attacking
For public markets, we have sites like eBay or Goldin Auctions where current listings are publicly visible as well as a mechanism for searching sold prices as well
Set 9 Emerald And Ruby Starter Deck Fabled Fabled brings rotation into Lorcana, cycling out the first four decks introduced into the game
Whichever player draws their sixth prize card first or sees their opponent become unable to replace a fainted Pokmon, is declared the winner