Wedding Announcement is a staple of White decks, and Treasure tokens abound, making it pretty easy to control an artifact and an enchantment
Sephiroth will currently set you back around $500 for a mint copy, but its selling for more
The deck plays really well out of the box, although it does have some complexity with Ulalek - go with Azlask for a more straightforward approach
Removing counters from a saga lets you control its chapter abilities
This would be a massive play if you have a high-cost item in your hand, something like Lucky Dime being played without using 7 ink would be massive and could single-handedly win you the game
Players also choose a legendary creature or Planeswalker to be their "Commander" or "General" (a Planeswalker must be designated as allowed to be used as a Commander), which begins the game in the "Command Zone", from where it can cast directly to the battlefield