The first two World Premiere Cards have been revealed on the official blog! And we’ll show them to you here as well!
Noble Knight Borz
Level 4 LIGHT Warrior-Type Effect Monster
ATK 1700
DEF 900
This card is treated as a Normal Monster while face-up on the field. While equipped with a “Noble Arms” Equip Spell Card, this card becomes an Effect Monster with these effects.
• This card becomes DARK and its Level is increased by 1. During your Main Phase: You can reveal 3 “Noble Arms” cards from your Deck, have your opponent randomly add 1 of them to your hand, and send the rest to the Graveyard. You can only use this effect of “Noble Knight Borz” once per turn.
(Super Rare?)
Vampire Duke
Level 5 DARK Zombie-Type Effect Monster
ATK 2000
DEF 0
When this card is Normal Summoned: You can target 1 DARK “Vampire” monster in your Graveyard; Special Summon that target in face-up Defense Position. When this card is Special Summoned: You can declare 1 card type (Monster, Spell, or Trap); your opponent sends 1 card of that type from their Deck to the Graveyard. You can only use this effect of “Vampire Duke” once per turn. This card cannot be used as an Xyz Material for an Xyz Summon, except for the Xyz Summon of a DARK monster.
(Rare)
Along with them are:
Swords at Dawn (Rare)
Crimson Knight Vampire Bram (Ultra)
Shadow Vampire (Secret)
Sources:
https://yugiohblog.konami.com/articles/?p=5578
https://yugiohblog.konami.com/articles/?p=5573