There are, however, more valuable boxes if youre willing to throw your money into the pits
This is a Link-2 Monster that requires 2 Level 3 Monsters, and whose effect is that it can dump a Level 3 Monster from your Deck to the GY
A lot of cards will mill you on entry, like Carrion GrubCarrion Grub, Deadbridge ChantDeadbridge Chant, Moldgraf MillipedeMoldgraf Millipede, and Stitchers SupplierStitchers Supplier

Set Price Guide Evolutions Ranked by market price (highest value first) Ultra M Charizard EX #101 $125.12 Rare Charizard #11 $88.72 Ultra M Blastoise EX #102 $58.75 Ultra M Charizard EX #13 $52.10 Ultra Dragonite EX #106 $39.80 Ultra M Venusaur EX #100 $36.04 Ultra Mewtwo EX #103 $36.04 Ultra Misty's Determination #108 $29.48 Rare Mew #53 $29.38 Ultra M Blastoise EX #22 $18.39 Ultra Charizard EX #12 $16.35 Ultra M Pidgeot EX #105 $13.41 Ultra M Venusaur EX #2 $12.84 Secret Surfing Pikachu #111 $8.51 Ultra Pidgeot EX #104 $8.31 Ultra M Slowbro EX #27 $7.88 Ultra Mewtwo EX #52 $7.68 Secret Flying Pikachu #110 $7.39 Ultra Brock's Grit #107 $7.26 Ultra Dragonite EX #72 $7.05 Rare Gyarados #34 $7.03 Rare Raichu #36 $6.32 Ultra Blastoise EX #21 $5.99 Rare Ninetales #15 $5.18 Ultra Venusaur EX #1 $4.96 Ultra M Pidgeot EX #65 $4.47 Rare Zapdos #42 $4.45 Rare Nidoking #45 $4.20 Rare Machamp #59 $4.08 Ultra Ninetales BREAK #16 $3.89 Ultra Nidoking BREAK #46 $3.04 Ultra Machamp BREAK #60 $2.97 Rare Mewtwo #51 $2.60 Ultra Slowbro EX #26 $2.50 Rare Poliwrath #25 $2.45 Rare Clefairy #63 $2.33 Secret Imakuni?'s Doduo #112 $2.27 Rare Chansey #70 $2.19 Ultra Starmie BREAK #32 $2.14 Rare Magneton #38 $1.99 Secret [Exeggutor] #109 $1.98 Ultra Pidgeot EX #64 $1.80 Darkness Energy #97 $1.75 Rare Hitmonchan #62 $1.70 Secret Here Comes Team Rocket

You need a bit of a board presence to really make use of this Ooze, but even with five or six creatures out it can quickly put the pressure on your opponents