Rulings
Q1: Can I use this card's Main effect to return cards in my opponent's trash to the bottom of the deck so that their Lv. total is 8 or less?
No, you cannot. The By condition cannot be performed only in part. For the Main effect of this card, it must be returned to the bottom of the deck for the specified Lv. total.
Q2: If the Main effect of this card returns Lv.3 and Lv.6 Digimon cards from the opponent's Trash to the deck, which Lv. Digimon card can I play from my Trash?
Digimon cards of Lv.3 and Lv.6 can be played. You can play one Digimon card of the same Lv. as the returned card.
Q3: If the Main effect of this card returns 3 Lv.3 Digimon cards from the opponent's trash to the deck, can I play 3 Lv.3 Digimon cards from my trash?
Yes, you can play. You can play one card of the same Lv. as the card you returned.
Data Sources
Apparition Legion BT20-098 U LIBERATOR [Main] By returning up to 9 levels' total worth of Digimon cards from your opponent's trash to the bottom of the deck, you may play 1 [Ghost] trait Digimon card of each returned card's level from your trash without paying the costs. Then, the Digimon this effect played gain <Rush> and <Blocker> until the end of your opponent's turn. --- [Security] You may play 1 level 5 or lower Digimon card with the [Ghost] trait from your trash without paying the cost.
Apparition Legion BT20-098 U LIBERATOR [Main] By returning up to 9 levels' total worth of Digimon cards from your opponent's trash to the bottom of the deck, you may play 1 [Ghost] trait Digimon card of each returned card's level from your trash without paying the costs. Then, the Digimon this effect played gain <Rush> and <Blocker> until the end of your opponent's turn. --- [Security] You may play 1 level 5 or lower Digimon card with the [Ghost] trait from your trash without paying the cost.
Apparition Legion BT20-098 U LIBERATOR [Main] By returning up to 9 levels' total worth of Digimon cards from your opponent's trash to the bottom of the deck, you may play 1 [Ghost] trait Digimon card of each returned card's level from your trash without paying the costs. Then, the Digimon this effect played gain <Rush> and <Blocker> until the end of your opponent's turn. ---
アパリションレギオン BT20-098 U リベレイター 【メイン】相手のトラッシュから、デジモンカードをLv.合計9になるようにデッキの下に戻すことで、自分のトラッシュから、特徴に「ゴースト型」を持ち、戻したカードと同じLv.のデジモンカード1枚ずつをコストを支払わずに登場できる。その後、この効果で登場したデジモンは相手のターン終了まで、≪速攻≫と≪ブロッカー≫を得る。 --- 【セキュリティ】自分のトラッシュから、特徴に「ゴースト型」を持つLv.5以下のデジモンカード1枚をコストを支払わずに登場できる。