

Q1: Can I process the part of the effect after "then" in this card's When Digivolving effect even if the "if" condition in the 1st process isn't met?
Yes, you can process it. Even if you don't have 3 or fewer security cards, this card's When Digivolving effect allows you to have this Digimon attack.
Lv.5 Aegiochusmon P-213 P Ultimate | Vaccine | Shaman/Iliad/TS <Raid> <Decode《[Aegiomon]》> [When Digivolving] If you have 3 or fewer security cards, this Digimon gains <Rush> and +3000 DP until your opponent's turn ends. Then, this Digimon may attack. [Rule] Trait: Has [Dragonkin] Type. --- <Decode 《[Aegiomon]》> (When this Digimon would leave the battle area other than in battle, you may play 1 [Aegiomon] from its digivolution cards without paying the cost.)
Lv.5 Aegiochusmon P-213 P Ultimate | Vaccine | Shaman/Iliad/TS [Digivolve] [Aegiomon]: Cost 3 <Raid> <Decode《[Aegiomon]》> [When Digivolving] If you have 3 or fewer security cards, this Digimon gains <Rush> and +3000 DP until your opponent's turn ends. Then, this Digimon may attack. [Rule] Trait: Has [Dragonkin] Type. --- <Decode 《[Aegiomon]》> (When this Digimon would leave the battle area other than in battle, you may play 1 [Aegiomon] from its digivolution cards without paying the cost.)
Lv.5 Aegiochusmon P-213 P ultimate | Vaccine | Shaman/Iliad/TS [Digivolve] [Aegiomon]: Cost 3 <Raid> <Decode ([Aegiomon])> [When Digivolving] If you have 3 or fewer security cards, this Digimon gains <Rush> and +3000 DP until your opponent's turn ends. Then, this Digimon may attack. (Rule) Trait: Has [Dragonkin] Type. --- <Decode ([Aegiomon])>