Q1: What does "trash an option card in the Battle Area" mean?
This effect trashes option cards placed by the "Place in Battle Area" effect.
Q2: Can this card's When Digivolving When Attacking effect trash either my or my opponent's option cards in the Battle Area?
Yes, you can trash either your or your opponent's option card.
Lv.6 Justimon: Blitz Arm ACE BT19-064 SR Mega | Vaccine | Cyborg [Digivolve] [Justimon: Accel Arm]/[Justimon: Critical Arm]: Cost 1 [Hand] [Counter] <Blast Digivolve> (Your Digimon may digivolve into this card without paying the cost.) [On Play] [When Digivolving] Until the end of your opponent's turn, this Digimon gains <Blocker> and isn't affected by their Digimon's effects. [When Digivolving] [When Attacking] [Once Per Turn] By trashing 1 Option card in the battle area, this Digimon unsuspends. --- Inherited: <Overflow (-4)> (As this card moves from the field or under a card to an area other than those, lose 4 memory.)
Lv.6 Justimon: Blitz Arm ACE BT19-064 SR Mega | Vaccine | Cyborg [Digivolve] [Justimon: Accel Arm]/[Justimon: Critical Arm]: Cost 1 [Hand] [Counter] <Blast Digivolve> (One of your Digimon may digivolve into this card without paying the cost.) [On Play] [When Digivolving] This Digimon gains <Blocker> and isn't affected by your opponent's Digimon's effects until the end of your opponent's turn. [When Digivolving] [When Attacking] [Once Per Turn] By trashing 1 Option card in the battle area, unsuspend this Digimon. --- Inherited: <Overflow (-4)> (As this card moves from the battle area or under a card to another area, lose 4 memory.)
Lv.6 ジャスティモン:ブリッツアームACE BT19-064 SR 究極体 | ワクチン種 | サイボーグ型 「ジャスティモン:アクセルアーム」/「ジャスティモン:クリティカルアーム」:コスト1 [手札]【カウンター】≪ブラスト進化≫(自分のデジモンをこのカードにコストを支払わずに進化できる) 【登場時】【進化時】相手のターン終了まで、このデジモンは≪ブロッカー≫を得て、相手のデジモンの効果を受けない。 【進化時】【アタック時】[ターンに1回]バトルエリアのオプションカード1枚を破棄することで、このデジモンをアクティブにする。 --- Inherited: (エリアかカードの下から、それ以外の場所に送られる場合、メモリー-4)