It all depends on the cards age, its viability in formats, and the number of reprints its received over the years
Both Characters have 4,000 Power, which isnt too threatening, but combined with Leader Belo Betty s +3,000 Power effect, they become 7,000 Power Characters, forcing at least 2 Counter cards to stop their attacks
Some examples of notable patterns include: Tinsel Holofoil: Used from the Black & White to Legendary Treasures sets, featuring horizontal stripes across the image and, in Japanese cards, a tinsel effect on the border
They both have their positives and their negatives
Dack doesnt see much Eternal play, but hes a staple in Legacy Grixis Control as well as in many Vintage control decks