[Start of Your Main Phase] If you have a Digimon with the [Free] trait or a Tamer with [Ken Ichijoji] in its name in play, gain 1 memory.
[Your Turn] When one of your 2-color blue and green Digimon attacks, by suspending this Tamer, that Digimon may digivolve into a Digimon card with [Imperialdramon] in its name in your hand for the cost.
Security Effect
[Security] Play this card without paying the cost.
Rulings Q&A — 2 entries
Q1Q2225
Can I activate this card's [Your Turn] effect when I attack with a 2-color green/blue (in that specific order) Digimon or with a Digimon that is blue and green because of an effect?
Can I also activate this card's [Your Turn] effect when my 3-color Digimon with blue and green attacks?
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Official Ruling
No, you can't.Since this card's effect specifies "one of your 2-color blue and green Digimon", you can't activate this card's [Your Turn] effect if your Digimon has 3 or more colors, even if those colors include blue and green.