2 WATER monsters
Cannot be used as Link Material the turn it is Link Summoned. If this card is Link Summoned: You can Special Summon 1 Fish monster from your hand to your zone this card points to. You can target 1 other Fish monster you control and 1 card your opponent controls; banish those cards. You can only use each effect of «Abyss Keeper» once per turn.

1 Tuner + 1+ non-Tuner monsters
If this card is Synchro Summoned: You can Special Summon 1 Level 2 or lower Tuner from your GY. During the Main Phase (Quick Effect): You can Tribute this card; Special Summon 1 «Stardust Dragon» from your Extra Deck (this is treated as a Synchro Summon), then, immediately after this effect resolves, Synchro Summon using monsters you control as material. For the rest of this turn, the monsters Synchro Summon by this effect are unaffected by your opponent’s activated effects. You can only use each effect of «Accel Synchro Stardust Dragon» once per turn.

1 Tuner + 1+ non-Tuner monsters
Once per turn: You can send 1 «Synchron» monster from your Deck to the GY, then activate 1 of these effects;
● Increase this card’s Level by the Level of the sent monster.
● Reduce this card’s Level by the Level of the sent monster.
During your opponent’s Main Phase, you can (Quick Effect): Immediately after this effect resolves, Synchro Summon using this card you control. You can only Synchro Summon «Accel Synchron» once per turn.

2+ Effect Monsters
Your opponent cannot activate cards or effects in response to this card’s effect activations. If this card is Link Summoned: You can target 1 Link Monster that was used as material for its Link Summon; this card gains ATK equal to that monster’s Link Rating x 1000. You can banish 1 Link Monster from your field or GY; destroy 1 card your opponent controls, also for the rest of this turn, you cannot banish monsters with that same Attribute to activate this effect of «Accesscode Talker».

2+ Effect Monsters
Your opponent cannot activate cards or effects in response to this card’s effect activations. If this card is Link Summoned: You can target 1 Link Monster that was used as material for its Link Summon; this card gains ATK equal to that monster’s Link Rating x 1000. You can banish 1 Link Monster from your field or GY; destroy 1 card your opponent controls, also for the rest of this turn, you cannot banish monsters with that same Attribute to activate this effect of «Accesscode Talker».