Without Giratina ex, Shining Revelry would not be an A Tier pack
Each of these doubles something for you - be it damage, tokens generated, proliferate triggers, dying triggers or even just the power of your creatures - and each of them can also become indestructible by sacrificing something else
Depending on the type, each set will normally have its own theme, either based around a particular fictional setting in the lore, or perhaps tailored to one particular mode of play, like the Commander or Modern formats
If they do, you draw a card and flip Prowl into Prowl, Pursuit Vehicle, which buffs itself with +1/+1 counters when other creatures or vehicles enter your battlefield
Its one of the most frustrating Johnny cards ever printed because its so close to being the perfect combo piece, butno
The quantity does not matter