You cannot Special Summon monsters, except Insect monsters. You can only use each of the following effects of "Beetrooper Armor Horn" once per turn. During your Main Phase, you can: Immediately after this effect resolves, Normal Summon 1 Insect monster. If this card is in your GY: You can banish 3 other Insect monsters from your GY; Special Summon this card, but banish it when it leaves the field.
Atom 1.0
