[Breeding][Start of Your Main Phase] Reveal the top card of your Digi-Egg deck, then place that card and all of your [Royal Knight] trait Digimon as this Digimon's bottom digivolution cards
banish it, then place it face-up in the Field Zone of the opponent of the player who controlled it, then you can choose 1 Field Spell with a different original name in the GY of the player who now controls the first card and place it face-up in the Field Zone of the player who controlled the first card when it was banished
If you like Revival / Revenge so much as an option, then my next candidates would probably be Loxodon Smiter / Mystic Enforcer or Despark although they all leave holes
The value of playing a turn ahead of the curve seems underwhelming at firstisnt this just a fancy Llanowar Elves
The first Herald is The King in Yellow himself, which causes the Doom track to increase every time the Terror track does, unless the player takes a permanent penalty
Contents: 30 packs, 5 cards per pack