Like most Pokmon cards, the value of Wugtrio ex 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 (Temporal Forces)
Poison Barb can be obtained from Celestial Guardians: Lunala pack in the Celestial Guardians set
Each die is identified by the number of faces it has
Whenever is the signal word for triggered ability, for which the triggering event is: Flamerush Rider attacks this phrase means that the trigger is expecting Flamerush Rider to be declared an attacker at the declare attackers step
"Ninjutsu is still very well poised to add an element of surprise into games of Magic," he says
As you can see, there are some very valuable chase cards in Journey Together