Ultimate Offering (Red) [DL13-EN019] Rare 238 you can look at 1

you can look at 1 face-down card that's been Set by your opponent as long as this card remains face-up on the field

When this card attacks with an ATK that is higher than the DEF of your opponent's Defense Position monster

each time a Synchro Monster(s) is Synchro Summoned

This card can only be special summon from Fusion deck by returning the above monsters from your field to deck (The Spell card "Polymerization" is not required)

Ultimate Offering (Red) [DL13-EN019] Rare 238 you can look at 1Set: Duelist League Promo Card type: Trap Card Rarity: Rare During your Main Phase or your opponent's Battle Phase: You can pay 500 Life Points; Normal Summon or Set 1 extra monster.