Edison format ruling
Voltanis the Adjudicator

Card effect (current official text)After 1 of your Counter Trap Cards has been activated and has resolved, you can Tribute all monsters you control to Special Summon this card. If this card is Special Summoned in this way, you can destroy cards your opponent controls up to the number of Fairy-Type monsters you Tributed.
Rulings
- Voltanis the Adjudicator's Special Summon effect starts a Chain. After Voltanis the Adjudicator is Special Summoned, its effect starts another new Chain if activated.
- Tributing all your monsters to Special Summon "Voltanis the Adjudicator" is a cost. If you do not have at least 1 monster to Tribute, you cannot activate this effect.
- If the negated effect was Chain Link 2 or higher, you can still activate Voltanis the Adjudicator's effect when the Chain resolves.
- "Voltanis the Adjudicator's" effect does not target the cards you want to destroy.
- "Voltanis the Adjudicator's" effect cannot be activated during the Damage Step.
- If "DNA Surgery" is on the field making all face-up monsters Fairy-Type, then all the face-up monsters you Tributed will count towards "Voltanis the Adjudicator's" effect for determining how many cards are destroyed by "Voltanis the Adjudicator".
- You cannot Special Summon "Voltanis the Adjudicator" if "Mask of Restrict" is active on the field.
- If you have 2 or more "Voltanis the Adjudicator" in your hand when your Counter Trap Card negates your opponent's effect, you can only activate the effect of 1 "Voltanis the Adjudicator", even if you negate multiple card effects.
- If you have Voltanis the Adjunticator and Van'dalgyon the Dark Dragon Lord in your hand and your Counter Trap Card negates your opponent's card effect, you can Special Summon only 1 of the 2 monsters. You cannot Special Summon both monsters.
- If you draw Voltanis the Adjudicator during the Chain your Counter Trap Card negates the effect of your opponent's card(s), you can activate its effect after the Chain resolves.
- If you activate Magic Drain and your opponent discards 1 Spell Card, you cannot activate Voltanis the Adjudicator's effect.
- Voltanis the Adjudicator's effect can be activated when you activate Goblin Out of the Frying Pan or Malfunction to negate your opponent's Spell or Trap Card.
- Royal Oppression can be used to negate "Voltanis the Adjudicator's" effect to Special Summon itself.
- If you activate Magic Jammer, etc. and discard Night Assailant for its activation cost, the effects of Night Assailant and "Voltanis the Adjudicator" will start a new Chain after the Chain that included your Magic Jammer resolves. Night Assailant's effect will be Chain Link 1 and "Voltanis the Adjudicator's" will be Chain Link 2.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.