Like most Pokmon cards, the value of Aerodactyl VSTAR 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 (Lost Origin)
Even just paying one mana to turn this spell into a basic land card is going to be useful in some games, but being able to find any creature you need, especially in a format like Commander, can be the difference between winning and losing
[R][R][C] Explosive Kick: 210 damage
You could also use leader ability to turn your 6000-power rush character into a 8000-power swing on turn three
Its possible that Temporal Trespass ends up in a combo deck somewhere the eleven mana converted mana cost may actually help with that in some ways but I think its likely this doesnt manage to break into any of the three major formats in a meaningful way
Notable cards include the dual-type Fairy/Lightning Pokemon Xerneas BREAK, the dual-type Dragon/Psychic Primal Groudon EX, and the dual-type Fire/Psychic Mega Charizard Y