

Q1: If cards that are targets of this effect are revealed from the deck, do I have to add as many cards to my hand as possible?
Yes, you must add as many cards to your hand as possible.
Q2: Can I use <Material Save> on a Digimon such as BT10-013 Shoutmon X5 that has Sparrowmon in its DigiXros requirements to place this card under a Tamer?
No, you can't. This card is only treated as Sparrowmon for a DigiXros.
Lv.4 RaptorSparrowmon BT19-061 R Champion | Data | Cyborg/Xros Heart This card is also treated as [Sparrowmon] for DigiXros. [On Play] [When Digivolving] Reveal the top 3 cards of your deck. Add 1 card with the [Xros Heart] or [Blue Flare] trait among them to the hand. Trash the rest. [On Deletion] You may place 1 Digimon card with the [Xros Heart] or [Blue Flare] trait from your hand or trash under any of your Tamers. --- [Your Turn] This Digimon with the [Xros Heart] trait gains <Collision>.
Lv.4 RaptorSparrowmon BT19-061 R Champion | Data | Cyborg/Xros Heart [Digivolve] Lv.3 w/[Xros Heart] trait: Cost 2 This card is also treated as [Sparrowmon] for DigiXros. [On Play] [When Digivolving] Reveal the top 3 cards of your deck. Add 1 card with the [Xros Heart] or [Blue Flare] trait among them to the hand. Trash the rest. [On Deletion] You may place 1 Digimon card with the [Xros Heart] or [Blue Flare] trait from your hand or trash under any of your Tamers. --- [Your Turn] This Digimon with the [Xros Heart] trait gains <Collision>.
Lv.4 RaptorSparrowmon BT19-061 R champion | Data | Cyborg/Xros Heart [Digivolve] Lv.3 w/[Xros Heart] trait: Cost 2 This card is also treated as [Sparrowmon] for DigiXros. [On Play] [When Digivolving] Reveal the top 3 cards of your deck. Add 1 card with the [Xros Heart] or [Blue Flare] trait among them to the hand. Trash the rest. [On Deletion] Place 1 Digimon card with the [Xros Heart] or [Blue Flare] trait from your hand or trash under your Tamers. --- [Your Turn] This Digimon with the [Xros Heart] trait gains <Collision> (During this Digimon's attack, all of your opponent's Digimon gain <Blocker>, and the opponent blocks if able.)
Lv.4 ラプタースパロウモン BT19-061 R 成熟期 | データ種 | サイボーグ型/クロスハート このカードはデジクロスで「スパロウモン」としても扱う。 【登場時】【進化時】自分のデッキの上から3枚オープンする。その中の特徴に「クロスハート」/「ブルーフレア」を持つカード1枚を手札に加える。残りは破棄する。 【消滅時】自分の手札/トラッシュから、特徴に「クロスハート」/「ブルーフレア」を持つデジモンカード1枚を自分のテイマーの下に置ける。 --- 【自分のターン】特徴に「クロスハート」を持つこのデジモンは≪衝突≫を得る。