Access Monsters was a type of monster introduced in Yu-Gi-Oh! Cyber Warriors. They have a Crimson cybernetic card border similar to Link Monsters, unlike most extra deck monster, these monsters have Classes and most be Access Summoned from the extra deck.
Access Summon:[]
To summon an Access Summon an Access Monster, you need one monster with a level equal to the class of the Access Monster you want to summon. You have send it to the graveyard with the suitable number of DATA Counters on it. This is the only way to Access Summon.