Voltanis the Adjudicator [DR04-EN203] Ultra Rare None It does not have to

It does not have to activate its effect during the End Phase to shuffle itself into the Extra Deck

Set: Legendary Collection 2 Card type: Normal Spell Rarity: Rare Attack: 0 Defense: 0 Target 1 "Crystal Beast" card in your Spell & Trap Card Zone

then you can Special Summon 1 Level 4 or lower Spirit monster from your hand

Set: Duelist League Promo Card type: Effect Monster Rarity: Rare Attack: 300 Defense: 200 During your opponent's Battle Phase

except his one

Voltanis the Adjudicator [DR04-EN203] Ultra Rare None It does not have toSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 1400 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.