Either you win or you lose, but playing it was either an offensive move to get ahead in the game, or a last resort to hold on
It's well known that you can do all sorts of things with a single Spider, and there are plenty of ways you can think of, such as tying Gene Eun + Controllers together, connecting them to Hari Fiber, and using Synchronized Deployment to process Wights

The rarity table for Base Set 2 is give below: image881763 16.9 KB The uncommons sheet (including the obscured cards) is as follows: Dodrio, Butterfree, Machoke, Defender, Arcanine, Dratini, Exeggutor, Dewgong, Energy Retrieval, Haunter, Farfetchd, Ivysaur, Marowak, Full Heal, Fearow, Kakuna, Magikarp, Maintenance, Charmeleon, Lickitung, Nidorina, Rhydon, PlusPower, Growlithe, Persian, Nidorino, Poliwhirl, Pokmon Center, Growlithe, Raticate, Parasect, Machoke, Pokdex, Pokmon Center, Tauros, Weepinbell, Seaking, Professor Oak, Jynx, Double Colorless Energy, Butterfree, Marowak, Super Potion, Magikarp, Magmar, Haunter, Exeggutor, Dodrio, Seel, Defender, Arcanine, Seaking, Kadabra, Weepinbell, Energy Retrieval, Jynx, Dewgong, Farfetchd, Ivysaur, Rhydon, Full Heal, Haunter, Fearow, Kakuna, Wartortle, Maintenance, Charmeleon, Lickitung, Nidorina, Machoke, PlusPower, Magikarp, Persian, Nidorino, Dewgong, Pokmon Center, Growlithe, Raticate, Parasect, Poliwhirl, Double Colorless Energy, Marowak, Tauros, Weepinbell, Charmeleon, Pokdex, Magmar, Double Colorless Energy, Seel, Professor Oak, Arcanine, Dratini, Butterfree, Super Potion, Rhydon, Defender, Farfetchd, Parasect, Poliwhirl, Kadabra, Fearow, Exeggutor, Seaking, Energy Retrieval, Lickitung, Ivysaur, Full Heal, Professor Oak, Dratini, Kakuna, Super Potion, Wartortle, Maintenance, Raticate, Nidorina, Seel, PlusPower, Persian, Nidorino, Wartortle, Kadabra The commons sheet has the card sequence shown below

Its 60 HP is enough to withstand the majority of early attacks, such as the Leek Slap attack from Farfetchd