Activate only if you control a "GMX" monster. Once per turn, when your opponent activates a monster effect on the field (except during the Damage Step): You can excavate the top 5 cards of your Deck, then if you excavated a "GMX" card(s), negate that activated effect, also place all the excavated cards on the top or bottom of the Deck in any order.
Fusion Summon 1 Dinosaur Fusion Monster from your Extra Deck using monsters from your hand or field. If your opponent controls a monster, you can also use 1 "GMX" monster in your Deck as material. During your Main Phase: You can banish this card from your GY; excavate the top cards of your Deck until you excavate a "GMX" card, add that "GMX" card to your hand, also shuffle the rest into the Deck. You can only use 1 "GMX 55th Experiment Report" effect per turn, and only once that turn.
Excavate the top cards of your Deck until you have excavated a "GMX" monster and a Dinosaur monster, lose 400 LP for each excavated card, then you can Fusion Summon 1 "GMX" Fusion Monster from your Extra Deck, using any excavated monsters as material, also shuffle the rest into the Deck. You can only activate 1 "GMX Applied Experiment #55" per turn.
Your opponent cannot activate cards or effects when you Normal or Special Summon a "GMX" monster(s). During your Main Phase: You can Set 1 "GMX" Spell/Trap from your Deck, except "GMX Lab #5", then place 1 card from your hand on top of the Deck. You can only use this effect of "GMX Lab #5" once per turn.