Hieratic Sun Dragon Overlord of Heliopolis [CT09-EN004] Secret Rare Synchro/Effect Monster look at all cards your

look at all cards your opponent draws until the end of their 3rd turn after this card's activation

If a monster(s) your opponent controls is destroyed by battle or card effect and sent to the Graveyard: You can target 1 of those destroyed monsters

Synchro Summon using this card you control (this is a Quick Effect)

Set: Shonen Jump Magazine Promos Card type: Xyz/Effect Monster Rarity: Ultra Rare Attack: 3000 Defense: 2000 2 Level 8 monsters Once per turn: You can detach 1 Xyz Material from this card

and one from that "something new and surprising" group of R&D Playtest cards:

Hieratic Sun Dragon Overlord of Heliopolis [CT09-EN004] Secret Rare Synchro/Effect Monster look at all cards yourSet: 2012 Collectors Tin Card type: Xyz Effect Monster Rarity: Secret Rare Attack: 3000 Defense: 2400 2 Level 8 monsters Once per turn: You can detach 1 Xyz Material from this card. Tribute any number of monsters from your hand and or your side of the field (minimum 1), then destroy an equal number of cards on the field.