Not confirmed for release, et al.

ドウェルチェア・キロプラント Dwell Chair Kiloplant
ATK 0
Gain 300 LP for each Chair Monster with 0 ATK you control.

ゼロサムゲーム Zero Sum Game
Normal Spell Card
You can activate by shuffling 8 Chairs from the Graveyard into the Deck.
Switch ATK of 1 monster your control with that of 1 monster your opponent controls.

昇竜圏（ライジング・ドラゴンゾーン） Rising Dragon Zone
Normal Trap Card
You can activate by shuffling 3 Dragons from your Graveyard into the Deck.
Return all monsters on the field to the hand. Then, each player Special Summons 1 monster from the hand.

闘竜門（ゲート・オブ・ドラゴン） Gate of Dragon
Normal Trap Card
You can activate by shuffling 1 Dragon from your Graveyard.
Change 1 monster your opponent controls to Attack Position, then it must attack if able.

Source