Clown Crew Fiends

2 Level 3 monsters
Tribute Summoned monsters you control gain 1000 ATK. If this card is Tributed: You can activate 1 of these effects (but you can only use each effect of "Clown Crew Fiends" once per turn);
• Return all Xyz Monsters from the field and the GYs to the Extra Deck.
• Set 1 "Clown Crew" Spell from your Deck.