you can send the top card of your Deck to the GY to negate the activation of that opponent's Spell Card, Trap Card or Effect Monster's effect and destroy it
It provides a wall, I guess, but it doesn't work if you splash in other Level 1s, and it has monster effect negation...but really, with the line-up of cards you have here, there's so much more potential to go with rather than either Xyz
Aztekipede, the Worm Warrior X EARTH Level 4 [ InsectEffect ] ATK 1900 DEF 400 Cannot be Normal Summoned/Set
What is the size of a Pokemon card in pixels
For their time though, Circles of Protection were useful sideboard options against certain decks
So try and remember this one very important fact, a card isn't good just because it has a good effect, it also has to be easy enough to have some kind of use every duel by the 3rd or 4th turn at the very latest