Special Summon it, but its effects are negated (if any), then immediately after this effect resolves, Synchro Summon 1 Machine Synchro Monster using only that monster and this card
Ive seen a Shadowless yellow cheeks Pikachu with E3 stamp before I had to look very closely at to think it wasnt legit (and Im still not 100% sure), and the E of the custom E4 stamped cards arent too different from the E of official E3 stamps either (Iykyk) Seeing huge differences like this does make you wonder how many E3 stamped cards are actually legit
Balefire Dragon If you see a Balefire Dragon on the opponents board, you should do anything in your power to prevent it from hitting you
Then Jacob takes any assassins you discarded (or put in your graveyard another way) and gets you that card
To prevent this, store your cards in airtight containers or boxes with desiccant packs to reduce moisture
While this change was eventually reverted, Link Monsters have stuck around and become the game's most powerful summoning method, and they have not slowed down the game at all