"Princess Cologne" herself cannot be targeted with cards, effects, or for attacks by the opponent while her controller controls another monster, and "Doll Happiness" prevents the opponent's monsters from attacking monsters the controller controls with 0 ATK or DEF, as long as the controller also controls "Princess Cologne"
Meow-Meow-Mu is a Link-1 monster, meaning all you need is a single Level 4 or lower Prank-Kids monster to summon it, which can then allow you to activate your Prank-Kids Main Deck monster's effect and continue to Link climb
Discretion - Any and all of the conditions may be waived or modified in the sole discretion of Matthew Bullock Auctioneers Local State and Federal Taxes Apply 7% Tax Shipping Terms Buyer Pays Shipping Cost-Buyer pays for shipping, materials, handing, and insurance
It's strong in an interesting way
Requiring a three-mana investment before you get any return and only offering a static +1/+0 buff, you really have to care about Blood tokens to warrant running this little piece of Equipment
Anyhow, your prize is probably one of the best Sevens cards, especially for a Crash deck, but I haven't been using the Sevens cards at all so far