All-Around Goodies - 3 Nice Main Deck Monsters that can fit in Almost Any Deck

[Aix]

So here are 3 cards I made that I think could possibly become Staples (not the Office Depot) for Decks and are relatively balanced (well I like to compare them to Thunder King Rai-oh degree of balancedness). What do you think? Comment/critique/judge and discuss below!
[spoiler='Card #1: Oni Guardian']
[img]http://yugico.com/customcard/135124.jpg[/img]
Good beater with solid DEF, great protective effect for defending against stuff like Mirror Force, Torrential Tribute, Dark Hole and etc. I'm considering lowering the DEF, you think I should?
[/spoiler]
[spoiler='Card #2: Wasp Queen Stingshot']
[img]http://yugico.com/customcard/135130.jpg[/img]
Removes annoying face-downs, powerful ATK and easy to summon.
[/spoiler]
[spoiler='Card #3: Wraith Assailant']
[img]http://yugico.com/customcard/125882.jpg[/img]
Pure and simple card removal with good ATK, considering removing the "once per turn" thing to bring Zombies back to full power.
[/spoiler]

Whaddaya think?

[Sora1499]

Most of these have good design, save for 1 that keeps bugging me. Oni would be good in scraps, but I don't think I'd want to run a -1 summon in any of my decks. You could say that it safeguards against mirror force and torrential, but honestly, I'd rather run something else. Stingshot is Op: it's a free 2k beatstick that pops backrow/monster sets (which do happen, btw) to gain field presence and a -1 for the opponent. Its balancing clause doesn't mean much, as it will probably be converted to material during the next turn. Also, monarchs. Just sayin. So jah, card would probably be semi'd, maybe limited depending on how good the upcoming wind cards will be. Wraith is my favorite. It pisses on big monsters like grapha and JD, and it' really not that abusable. Awesome card, probably a staple in lots of decks (to a degree).

Oni: 6.5/10, for lack of usability
Wasp: 5.5/10, for OP'dness
Wraith: 8.5/10, for kickassery