If the target creature card is an illegal target as General Leo Cristophe's ability tries to resolve, it won't resolve and none of its effects will happen
I can see the colors are more vibrant on the JP versions, however, I wonder if its consistent or variation in printing I want to see more for comparison
Most notably, if a triggered ability asks its controller to pay a cost, you pay that cost for the copy if you wish to have it paid
Check out the images below, to get an idea of what these products look like: One Piece Card Game Awakening of the New Era OP-05 Booster Box Japanese Edition The OP-05 Booster Box is designed to immerse players in the unfolding storyline of the ONE PIECE series
Its an extreme example, but still proof that some cards cannot be understood just by reading their printed text
Briar Special Illustration Rare, 171/142 Another gorgeous Special Illustration Rare Trainer card, Briar has a fairly narrow, but very powerful, use in-game