

Q1: If this card digivolves from a Tamer that was played this turn, can it attack in the same turn?
No, it can't. Even if a card digivolves from a card that was placed on the field in the same turn, it can't attack during that turn. It can only attack in the turns after it's played.
Q2: Does the digivolution requirement that this card digivolve from a Tamer mean the Tamer that becomes a digivolution card is treated as if it is a Digimon when digivolving?
No. Digivolve from the Tamer as such, and do not treat it as if it is a digivolving Digimon. "When digivolving" effects and "when a Digimon digivolves" effects don't trigger. Additionally, if a "Digimon can't digivolve" effect has activated, you can still digivolve from a Tamer with this digivolve requirement.
Q3: Do I perform a digivolution bonus draw even if I digivolve from a Tamer?
Yes, you do. A digivolution bonus draw is performed for any kind of digivolution.
Q4: Is a Tamer card placed under a Digimon considered a digivolution card?
Yes, it is. If the Digimon leaves the field, that Tamer is trashed like normal digivolution cards.
Q5: Does a Digimon gain the security effects in the lower text of a Tamer card in its digivolution cards?
No, it does not.
Q6: Does a Digimon gain the inherited effects in the lower text of a Tamer card in its digivolution cards?
Yes, it does.
Lv.- Eater Eve BT22-081 U Eater | CS <Raid> [On Play] [When Digivolving] Until your opponent's turn ends, 1 of their Digimon can't suspend. Then, if this Digimon has no digivolution cards, you may place 1 [Yuuko Kamishiro] from your hand or trash as this Digimon's bottom digivolution card. [All Turns] When this Digimon would leave the battle area, you may play 1 [Yuuko Kamishiro] from its digivolution cards without paying the cost. ---
Lv.- Eater Eve BT22-081 U Eater | CS [Digivolve] [Yuuko Kamishiro]: Cost 3 <Raid> [On Play] [When Digivolving] Until your opponent's turn ends, 1 of their Digimon can't suspend. Then, if this Digimon has no digivolution cards, you may place 1 [Yuuko Kamishiro] from your hand or trash as this Digimon's bottom digivolution card. [All Turns] When this Digimon would leave the battle area, you may play 1 [Yuuko Kamishiro] from its digivolution cards without paying the cost. --- -
- Eater Eve BT22-081 U Eater | CS [Digivolve] [Yuuko Kamishiro]: Cost 3 <Raid> [On Play] [When Digivolving] Until your opponent's turn ends, 1 of their Digimon can't suspend. Then, if this Digimon has no digivolution cards, you may place 1 [Yuuko Kamishiro] from your hand or trash as this Digimon's bottom digivolution card. [All Turns] When this Digimon would leave the battle area, you may play 1 [Yuuko Kamishiro] from its digivolution cards without paying the cost.
Lv.- イーター• イヴ BT22-081 U イーター | CS ≪突進≫ 【登場時】【進化時】相手のターン終了まで、相手のデジモン1体はレストできない。その後、このデジモンが進化元を持たないなら、自分の手札/トラッシュから、「神代悠子」1枚をこのデジモンの進化元の下に置ける。 【お互いのターン】このデジモンがバトルエリアを離れるとき、このデジモンの進化元から、「神代悠子」1枚をコストを支払わずに登場できる。 ---