The Monarchs Erupt [GFTP-EN121] Ultra Rare XY171 you can Special Summon this

you can Special Summon this card (from your hand)

Set: Stardust Overdrive Card type: Effect Monster Rarity: Secret Rare Attack: 2800 Defense: 2300 If you have exactly 4 Fairy-Type monsters in your Graveyard

and 1 Ritual Monster)

Mekk-Knight

The Monarchs Erupt [GFTP-EN121] Ultra Rare XY171 you can Special Summon thisSet: Ghosts from the Past Card type: Continuous Trap Rarity: Ultra Rare Activate this card only if you have no cards in your Extra Deck and control a Tribute Summoned monster. Negate the effects of all face up monsters on the field, while those monsters are face up on the field, except Tribute Summoned monsters'. During your End Phase, if you control no Tribute Summoned monsters, send this card to the GY.