Can I use this card's ＜Main Timing＞ effect to place this Tamer and 1 [Kyubimon] and 1 [Taomon] from my trash as my [Renamon]'s bottom digivolution cards, but then choose to not digivolve into [Sakuyamon]?

Yes, you can. The effect reads "may digivolve," so you can choose whether or not to digivolve.

Can I use this card's ＜Main Timing＞ effect to digivolve 1 of my [Renamon] into EX4-030 [Kuzuhamon]?

No, you can't. EX4-030 [Kuzuhamon] is treated as if it has [Sakuyamon]. This effect doesn't treat it as if it has the name [Sakuyamon], therefore digivolution isn't possible.

Rika Nonaka rulings (BT17-085)

2 official rulings from Bandai, last ruled Sep 6, 2024. Straight answers to how this card actually resolves.

Effect: [Start of Your Main Phase] If your opponent has a Digimon, gain 1 memory. [Main] By placing this Tamer and 1 [Kyubimon] and 1 [Taomon] from your trash in any order as the bottom digivolution cards of one of your [Renamon], that Digimon may digivolve into [Sakuyamon] in your hand for a digivolution cost of 4, ignoring its digivolution requirements. If digivolved by this effect, you may return 1 Option card from your trash to the hand.
Security effect: [Security] Play this card without paying the cost.

Official Q&A

Can I use this card's ＜Main Timing＞ effect to place this Tamer and 1 [Kyubimon] and 1 [Taomon] from my trash as my [Renamon]'s bottom digivolution cards, but then choose to not digivolve into [Sakuyamon]?
Yes, you can. The effect reads "may digivolve," so you can choose whether or not to digivolve.
Ruled Sep 6, 2024
Can I use this card's ＜Main Timing＞ effect to digivolve 1 of my [Renamon] into EX4-030 [Kuzuhamon]?
No, you can't. EX4-030 [Kuzuhamon] is treated as if it has [Sakuyamon]. This effect doesn't treat it as if it has the name [Sakuyamon], therefore digivolution isn't possible.
Ruled Sep 6, 2024

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Questions and answers are Bandai's official rulings, collected and translated by the DigimonCardGame Wiki community and reused here under CC BY-SA. Card names and card text are © their respective publishers; Combalo is not affiliated with Bandai.

Rika Nonaka rulings (BT17-085)

2 official rulings from Bandai, last ruled Sep 6, 2024. Straight answers to how this card actually resolves.

Effect: [Start of Your Main Phase] If your opponent has a Digimon, gain 1 memory. [Main] By placing this Tamer and 1 [Kyubimon] and 1 [Taomon] from your trash in any order as the bottom digivolution cards of one of your [Renamon], that Digimon may digivolve into [Sakuyamon] in your hand for a digivolution cost of 4, ignoring its digivolution requirements. If digivolved by this effect, you may return 1 Option card from your trash to the hand.
Security effect: [Security] Play this card without paying the cost.

Official Q&A

Can I use this card's ＜Main Timing＞ effect to place this Tamer and 1 [Kyubimon] and 1 [Taomon] from my trash as my [Renamon]'s bottom digivolution cards, but then choose to not digivolve into [Sakuyamon]?
Yes, you can. The effect reads "may digivolve," so you can choose whether or not to digivolve.
Ruled Sep 6, 2024
Can I use this card's ＜Main Timing＞ effect to digivolve 1 of my [Renamon] into EX4-030 [Kuzuhamon]?
No, you can't. EX4-030 [Kuzuhamon] is treated as if it has [Sakuyamon]. This effect doesn't treat it as if it has the name [Sakuyamon], therefore digivolution isn't possible.
Ruled Sep 6, 2024

Got a line that uses Rika Nonaka? Map it in the builder and share it with a link.