Q1: What is the All Turns effect of this card?
Normally, in DigiXros, you can place a card from your hand or Battle Area under that card, but if you activate the All Turns effect of this card, you can also place a card under your tamer in the DigiXros of that card.
Q2: Can this card's All Turns effect also place cards under tamers other than this tamer under cards that DigiXros?
Yes, it can be placed.
Q3: Does this card's All Turns effect also trigger when multiple specified cards play at the same time?
Yes, it is triggered. In each DigiXros of all those cards, you can also place cards under your tamer.
Kiriha Aonuma BT19-081 U General/Blue Flare [Start of Your Main Phase] By placing 1 Digimon card with the [Blue Flare] or [Xros Heart] trait from your hand under any of your Tamers, gain 1 memory. [All Turns] When any of your [Blue Flare] trait Digimon cards with DigiXros requirements would be played, by suspending this Tamer, cards from under your Tamers can also be placed for their DigiXros. --- [Security] Play this card without paying the cost.
Kiriha Aonuma BT19-081 U General/Blue Flare [Start of Your Main Phase] By placing 1 Digimon card with the [Blue Flare] or [Xros Heart] trait from your hand under any of your Tamers, gain 1 memory. [All Turns] When any of your [Blue Flare] trait Digimon cards with DigiXros requirements would be played, by suspending this Tamer, you may place cards from under your Tamers as digivolution cards for a DigiXros. --- [Security] Play this card without paying the cost.
蒼沼キリハ BT19-081 U ジェネラル/ブルーフレア 【自分のメインフェイズ開始時】自分の手札から、特徴に「ブルーフレア」/「クロスハート」を持つデジモンカード1枚を自分のテイマーの下に置くことで、メモリー+1。 【お互いのターン】特徴に「ブルーフレア」を持ち、デジクロス条件を持つ自分のデジモンカードが登場するとき、このテイマーをレストさせることで、そのカードのデジクロスで自分のテイマーの下のカードも置ける。 --- 【セキュリティ】このカードをコストを支払わずに登場させる。