Rulings
Q1: If the cards I reveal from my deck for this card's effect include only either a Digimon card with {{EffectLinkArchetype|Garurumon}} or a Digimon card with Agumon, Greymon, or {{EffectLinkArchetype|Omnimon}}, can I only add 1 card to my hand?
Yes, even if you only reveal one of the applicable cards, you can still add it to your hand.
Q2: If the cards I reveal from my deck for this card's effect include both a Digimon card with {{EffectLinkArchetype|Garurumon}} and 1 Digimon card with Agumon, Greymon, or {{EffectLinkArchetype|Omnimon}}, can I choose to only add one of them to my hand, and place the remaining cards at the top of my deck?
No. If you have cards that are targets of this effect, you must add as many cards to your hand as possible.
Data Sources
Lv.3 Gabumon EX4-039 C Rookie | Virus | Reptile [On Play] Reveal the top 3 cards of your deck. Add 1 Digimon card with [Garurumon] in its name and 1 Digimon card with [Agumon], [Greymon], or [Omnimon] in its name among them to your hand. Place the rest on top of your deck in any order. --- Inherited: [Your Turn] [Once Per Turn] When one of your other Digimon digivolves, gain 1 memory.
Lv.3 Gabumon EX4-039 C Rookie | Virus | Reptile [On Play] Reveal the top 3 cards of your deck. Add 1 Digimon card with [Garurumon] in its name and 1 Digimon card with [Agumon], [Greymon], or [Omnimon] in its name among them to your hand. Place the rest on top of your deck in any order. --- Inherited: [Your Turn] [Once Per Turn] When one of your other Digimon digivolves, gain 1 memory.
Lv.3 Gabumon EX4-039 C Rookie | Virus | Reptile [On Play] Reveal the top 3 cards of your deck. Add 1 Digimon card with [Garurumon] in its name and 1 Digimon card with [Agumon], [Greymon] or [Omnimon] in its name among them to your hand. Place the rest on top of your deck in any order. --- Inherited: [Your Turn] [Once Per Turn] When one of your other Digimon digivolves, gain 1 memory.
Lv.3 ガブモン EX4-039 C 成長期 | ウィルス種 | 爬虫類型 【登場時】自分のデッキの上から3枚オープンする。その中の名称に「ガルルモン」を含むデジモンカード1枚と名称に「アグモン」か「グレイモン」か「オメガモン」を含むデジモンカード1枚を手札に加える。残りは好きな順番でデッキの上に戻す。 --- Inherited: 【自分のターン】［ターンに1回］他の自分のデジモンが進化したとき、メモリー+1。