That means you will often be taking damage from their attacks rather than bouncing/Last Gasping before damage so as to keep your pricey Negate up
You can swap them out for whatever you have on hand
The alternative is connive , a creature ability in Esper (white, blue, and black colours) that lets you draw X cards, discard the same number of cards, and then put a +1/+1 counter on the creature for each nonland card discarded this way
With a large amount of dedicated Yu-gi-Oh YouTube channels that explain a lot of card interactions and game mechanics, it became even more accessible for new players
MTG Familiar This is another popular utility/reference tool that seems to have become a real go-to app for MTG players when it comes to deck building and card searching
But the fundamentals are always the same: each fusion requires two or more monsters which combine to make a better one