



Q1: Can I place just 1 card in digivolution cards for the conditions of this card's On Play When Digivolving When Attacking effect?
No, you can't. A "by" condition can't be met if only some of the required actions are performed. The conditions for this On Play When Digivolving When Attacking effect require you to place the specified number of cards as the bottom digivolution cards.
Q2: What does a "can't trash stacked cards" effect do, exactly?
This effect prevents cards stacked on top from being trashed by De-Digivolve or other effects, and cards stacked on the bottom can't be trashed by effects such as those that trash digivolution cards.
Lv.6 Machinedramon ACE EX12-059 SR
Mega | Virus | Machine/ME
{Hand} [Counter] <Blast Digivolve> (Your Digimon may digivolve into this card without paying the cost.)
<Reboot> <Fragment ≪2≫>
[On Play] [When Digivolving] [When Attacking] [Once Per Turn] <De-Digivolve 3> 1 of your opponent's Digimon. Then, by placing 2 level 5 or lower [Machine], [Cyborg] or [ME] trait cards from your hand or trash as this Digimon's bottom digivolution cards, your opponent's effects can't trash any of your Digimon's stacked cards until their turn ends.
---
Lv.6 Machinedramon ACE EX12-059 SR
Mega | Virus | Machine/ME
[Digivolve] Lv.5 w/[Cyborg]/[ME] trait: Cost 3
{Hand} [Counter] <Blast Digivolve> (Your Digimon may digivolve into this card without paying the cost.)
<Reboot> <Fragment ≪2≫>
[On Play] [When Digivolving] [When Attacking] [Once Per Turn] <De-Digivolve 3> 1 of your opponent's Digimon. Then, by placing 2 level 5 or lower [Machine], [Cyborg] or [ME] trait cards from your hand or trash as this Digimon's bottom digivolution cards, your opponent's effects can't trash any of your Digimon's stacked cards until their turn ends.
---
<Overflow (-4)> (As this card moves from the field or under a card to an area other than those, lose 4 memory.)Lv.6 Machinedramon ACE EX12-059 SR mega | Virus | Machine/ME [Digivolve] Lv.5 w/[Cyborg]/[ME] trait: Cost 3 [Hand] [Counter] <Blast Digivolve> (One of your Digimon may digivolve into this card without paying the cost.) <Reboot> <Fragment ≪2≫> [On Play] [When Digivolving] [When Attacking] [Once Per Turn] <De-Digivolve 3> 1 of your opponent's Digimon. Then, by placing 2 level 5 or lower [Machine], [Cyborg] or [ME] trait cards from your hand or trash as this Digimon's bottom digivolution cards, your opponent's effects can't trash any of your Digimon's stacked cards until their turn ends. --- <Overflow (-4)> (As this card moves from the battle area or under a card to another area, lose 4 memory.)
Lv.6 ムゲンドラモンACE EX12-059 SR
究極体 | ウィルス種 | マシーン型/ME
{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進化できる)
≪再起動≫≪フラグメント《2》≫
【登場時】【進化時】【アタック時】[ターン1回]相手のデジモン1体を≪退化3≫。その後、自分の手札/トラッシュから、特徴「マシーン型」/「サイボーグ型」/「ME」を持つLv.5以下のカード2枚をこのデジモンの進化元の下に置くことで、相手のターン終了まで、自分のデジモン全てに重ねられているカードは相手の効果で破棄されない。
---