By boosting the ATK by only 100 for each other DARK monster, you will need to have three monsters on the field before it can have a somewhat decent ATK for a 2-Tribute monster
If you can make use of this mana rocks mana ability consistently, then its probably worth playing in your deck
Skystinger Rating: 1/10 Every spacecraft except The Eternity Elevator in Edge of Eternities flies, and most of them have 8 or less toughness, so Skystinger is pretty good at fending them off
Konami limits how many of these cards you can have in your deck hence the name but you can, at least, still stock your deck with one or two
This card has an one-energy attack called Inferno Dance that allows you to flip three coins and a attach a fire energy to your benched pokmon for each heads you flip
Collectors describe this as the calm center of the Eeveelution lineup