yugioh ultimate insect deck LV7 Ultimate Insect | Yu-Gi-Oh! Wiki

And when theyre respectable cards to cast later in the game, even better

Every now and again I "spring clean" it to make sure it isn't too much above 600 cards

I would also suggest putting two energy cards on Manectric and then there is an easy way to attach an extra energy card to one of your electric Pokemon every turn by using Attract Current and since Manectric has a free retreat cost it can move in and out of play quite easily and do a fair amount of damage at the same time

In both cases, remember that each opened envelope gives us 5 free points, which we can only spend on cards of the expansion it belongs to

This just means you have to be a little bit smarter when building your deck and include cards that maybe need to be in the discard pile to use an effect or just know which cards you wont need in certain matchups