Pay the converted mana cost of 5, and you take another turn after your first one
And the other four Spiders are from Warhammer 40,000 (Canoptek Spyder flies and isnt really a Spider) and Lord of the Rings , and I dont know enough about the lore about Shelob to know whether it should have reach or not
Legality depends on the tournament format -- Sauron, the Necromancer Card can be legal in some formats and banned or restricted in others
Were going to be playing loose with the history and available technology of Magic to allow creatures and spells that would have required a lot of extra rules text to properly function in early Magic
This means that pairing them with Commanders like Urza, Lord High Artificer that can tap these Artifacts right before taking your turn can be quite an effective strategy
BPhillipYork: I think this can be broken, obviously for like tribal decks that make a ton of tokens that's a solid way to cheat out tons of better creatures