Regular Base Set: has the first copyright years as "..., 98 Nintendo", followed by "1999"
Goblin Guide is an aggro or tempo card and it doesn't do much to add to midrange or combo strategies beyond the goblin tag
Rather it is from the Hero's Path promotion that supplemented the Theros block with a battle-the-horde, Face the Hydra, co-operative style of Magic
Importantly, Adapt cannot be used if the creature already has +1/+1 counters, which distinguishes it from other mechanics that allow repeatable activations
The opponent must discard one card per black mana used
Besides that, we never have the same metagame, Kinemon that worked well in Asia and didnt see that much success in the English game