Based on CLAMP's Card Captor Sakura, and very much like the different "Ask___" character blogs already on Tumblr, come here with your problems and more than likely there's a Clow Card that can help you!
Going to the Store for Noms Without a Car
“Noms”? What do you mean by “noms”?
I’m pretty sure it’s a slang term meaning “food” or “snacks”. Speaking of, can we have some snacks, oh beautiful miss Sakura? 
Let’s take care of this and then we can have some snacks!
I don’t have a car either, and usually I take my rollerblades when I go shopping for food. But I suppose you could use cards, because some people have to go farther to get to stores…
There are several different movement cards you could use. The obvious one is Fly, but that might make it difficult to carry grocery bags AND fly at the same time. You could use Dash to get there quicker and without tiring yourself out as much, but that presents the same problem as Fly. (You could even Jump there if you really wanted to, I guess…)
Considering the idea of carrying things, Move might be your best bet. It would allow you to teleport, at least for short distances. If you can’t get all the way there in one teleport using Move, you could at least get there much faster by teleporting several times to make up the intervals. Move would allow you to teleport objects as well. You might actually be able use Move at the same time as Fly to move yourself without effort and move your purchased items separately. 
Remember! Having a large appetite means you’re healthy (like Yukito-san)! Don’t be shy in buying food, just make sure you have a way to transport it home. Buy as much as you’re reasonably able to carry that won’t go uneaten and bad due to an upcoming expiration date. Eat well and take care of yourself! If you can walk places and get your exercise, it’s a good idea to do so! Magic is useful if it’s not possible or practical to get there by walking, but don’t sacrifice being active. 
Sakura~… don’t get too moral-of-the-story ish about it! Cake is good and so is flying. I’m still healthy and I’m awesome and have lived a really long time! GO WITH YOUR GUT! EAT TASTY FOOD! HAVE FUN WITH LIFE! YEAH.
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Introductory Post of Awesomeness!
Welcome to the new blog! My name is Keroberos, and I am the amazing, super-cool, wonderfully handsome guardian of the Clow Cards. I am going to act as the moderator here. Our hope is that with the magic of the Clow Cards, we will be able to SOLVE YOUR PROBLEMS and ANSWER YOUR QUESTIONS! So come on and tell us what we can help you with! There’s surely a Clow Card for whatever issue you might be having!
Most of the answers here will be dealt by my lovely and fantastic mistress, Sakura (yes, she totally gave me cake to get me to say that). I may handle some questions myself or we might have the KID (Li Syaoran) or Tomoyo answer some if Sakura is busy or is stumped on how to answer a question.
So SEND IN THOSE QUESTIONS AND PROBLEMS! We want to help YOU!
Oh my, I’m not very good at math either, this is probably useful for me to think about. Kero-chan says I shouldn’t use the Clow Cards for such silly things and that math is easy, but it’s not! Math is confusing! Kero-chan once tried to do my math homework, and even he had a lot of trouble! I’m not sure he was really trying, though.
Now, when you say without studying, you mean you don’t WANT to study or you don’t have time? Because if you just don’t have time, then you can use the Time card, buy yourself more time. If it’s winter you could also use Snow to get the day off, but then you’d just want to play in it. If you don’t WANT to study (I don’t like to study for math either, I understand), then that makes things a little more complicated.
One thing you have to remember is you SHOULD NOT CHEAT! Well, not really. Not in class. It would make Mizuki-Sensei sad, and she makes me all dreamy and I don’t want to make her sad. Also, cheating in class is wrong!
LUCKILY! I have some ideas you don’t have to cheat for, you can just make use of what you have available. One tactic is to use Mirror to copy yourself, have your copy study, and have Mirror take the test for you! That’s kind of mean to Miss Mirror though, and she’s been really kind, so that’s probably not the best use of the cards. It’s not right to make your friends do your work for you (which is why I won’t suggest using Change to switch places with a smart friend who studies)!
An even better idea would be to use Dream! You could use it to dream about what’s going to be on the math test ahead of time. I don’t know how well that would work, because Kero-chan says that Dream makes you have “prophetic”? dreams, and you might just end up dreaming about doing poorly on a test you didn’t study for. I’d say it’s worth a try though!
I hope you do well on your math test, whether you find time to study or not. I know I have a tough time and I’d want the help, too! GOOD LUCK, from me and the rest of the Clow Cards!
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