Like most Pokmon cards, the value of Vibrava depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Secret Wonders)
One to optimize out, Id say
Command Zone One of the less important zones defined in the rules, the Command Zone primarily acts as a display area for cards or objects which are technically in the game, but should not usually be interacted with, like planeswalker emblems
If heads, prevent all effects of attacks, including damage, done to this Pokemon during your opponents next turn
Lunalight Blue Cat X DARK Level 4 [ Beast-WarriorEffect ] ATK 1600 DEF 1200 If this card is Special Summoned: You can target 1 "Lunalight" monster you control, except "Lunalight Blue Cat"
It's a 4/4 Creature at a cost of five mana, which may seem weak compared to the rest of our roundup