Equip only to an "Inzektor" monster. It gains 800 ATK and DEF. When this face-up card on the field is sent to the Graveyard: Target 1 "Inzektor" monster in your Graveyard; add that target to your hand.
Cocoon of Ultra Evolution allows you to Tribute 1 Insect-type monster that was equipped with an Equip Card to Special Summon 1 Insect-type monster from your Deck. Additionally, this card can be banished from the Graveyard to shuffle 1 Insect-type monster from your Graveyard to your Deck and draw 1 card.
Parallel Twister allows you to destroy the equip card equipped to your Inzektor Centipede, and destroy any card on the Field. Double Cyclone destroys the equip card equipped to your Inzektor Centipede, to destroy 1 Spell/Trap your opponent controls. By doing so, Parallel Twister and Double Cyclone are able to trigger Inzektor Centipede’s effect to draw 1 “Inzektor” card from your Deck.
That Grass Looks Greener can quickly fill your Graveyard with Inzektor monsters so that you can directly equip them from the Graveyard.