Hippo Carnival [SP15-EN040] Common Pendulum/Normal Monster but it has its effects

but it has its effects negated

while you have no Spell/Trap Cards in your Graveyard: You can destroy all Spell and Trap Cards your opponent controls

they add it to their hand

but destroy it during the End Phase

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

Hippo Carnival [SP15-EN040] Common Pendulum/Normal Monster but it has its effectsSet: Star Pack ARC V Card type: Quick Play Spell Rarity: Common Special Summon 3 "Hippo Tokens" (Beast Type EARTH Level 1 ATK 0 DEF 0), but they cannot be Tributed. You cannot Special Summon monsters from the Extra Deck while a "Hippo Token" is in a Monster Zone. For the rest of this turn after this card resolves, your opponent cannot target monster for attacks, except "Hippo Tokens".