>>14378007
>master rule 4
>you now have an extra monster zone
>can only summon things from the extra deck to that zone and nowhere else
>link monsters are summoned from the extra deck to that zone by link summoning
>the link number tells how many monsters it takes to link summon
>no level restrictions
>they have no level and no defense so they can't be put in defense position
>the gimmick is that they 8 arrows pointing up down left right and between those
>wherever that arrow points, as long as it's a monster zone, you can summon an extra extra deck monster there
>pendulum zones are moved to the left and right spell and trap card zones
Tl;dr it was a move to fuck over older decks while promoting the new flashy link mechanic
However, they keep releasing new support for older decks all the time and you don't have to buy shit because there's superior free software like YGOPro and Dueling Book, the replacement for Dueling Network.