有个东西叫srd
http://www.wizards.com/D20/article.asp?x=srd35Bag of Tricks: This small sack appears normal and empty. However, anyone reaching into the bag feels a small, fuzzy ball. If the ball is removed and tossed up to 20 feet away, it turns into an animal. The animal serves the character who drew it from the bag for 10 minutes (or until slain or ordered back into the bag), at which point it disappears. It can follow any of the commands described in the Handle Animal skill. Each of the three kinds of a bag of tricks produces a different set of animals. Use the following tables to determine what animals can be drawn out of each.
The heavy warhorse appears with harness and tack and accepts the character who drew it from the bag as a rider.
Animals produced are always random, and only one may exist at a time. Up to ten animals can be drawn from the bag each week.
Faint or moderate conjuration; CL 3rd (gray), 5th (rust), 9th (tan); Craft Wondrous Item, summon nature’s ally II (gray), summon nature’s ally III (rust), or summon nature’s ally V (tan); Price 900 gp (gray); 3,000 gp (rust); 6,300 gp (tan).
--- Gray -- ---- Rust ---- ---- Tan ----
d% Animal d% Animal d% Animal
01-30 Bat 01-30 Wolverine 01-30 Brown bear
31-60 Rat 31-60 Wolf 31-60 Lion
61-75 Cat 61-85 Boar 61-80 Heavy warhorse
76-90 Weasel 86-100 Black bear 81-90 Tiger
91-100 Badger 91-100 Rhinoceros
