Combine the massive dragon with purple cards such as Merlin, Goat or Yzma, Scary Beyond All Reason to pull them off the table, ready to be played again and reactivate their own powerful effects.
The standard promo set cards are available from expos and convention, seeing new Disney movies at cinemas, Lorcana League, set championship events, and other methods
So just saying "Captain Hook" will mean you get the draw no matter if you turn over Jafar - Lamp Thief or Jafar - Striking Illusionist
Between the two options, its a tough call, but Id lean slightly toward Amber/Ruby personally but both look great
Celes, Rune Knight Celes is a great Mardu graveyard commander, providing card advantage, an easy way to get cards into your graveyard, and a payoff for returning creatures to the battlefield after you discard them