Fossil Researcher (110/111) [XY: Furious Fists] Stardust Overdrive If you have any face-down

If you have any face-down cards in your Spell & Trap Card Zone

Set: Tactical Evolution Card type: Effect Monster Rarity: Ghost Rare Attack: 4000 Defense: 0 This card cannot be Normal Summoned or Set

You must also tribute monsters from the field or your hand whose total Levels equal 7 or more

Set: Starstrike Blast Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 1900 1 Tuner + 1 or more non-Tuner Machine-Type monsters When this card is Synchro Summoned

Fossil Researcher (110/111) [XY: Furious Fists] Stardust Overdrive If you have any face-downSet: XY: Furious Fists Type: Supporter Rarity: Ultra Rare