You can Tribute Summon this card in face-up Attack Position by Tributing 1 Reptile-Type "Worm" monster. Once per turn, you can Tribute 1 Reptile-Type "Worm" monster to Special Summon 1 Reptile-Type "Worm" monster from your Deck with a Level less than or equal to the Tributed monster.
How to Get
Special Summons itself.
Can Special Summon Worm monsters from your deck.
Effect is costly to use.
Can Special Summon another copy of itself from the deck. Useful for deck thinning.
Worm Queen can tribute itself to Special Summon any main deck Worm monster. Although most Worm monsters want to be put face-down first so they can use their effect, Worm King and Worm Prince are exemptions.