Blast Zone [War of the Spark] XY204 you can select 1 "Stardust

you can select 1 "Stardust Dragon" in your Graveyard and Special Summon it in face-up Defense Position

Wandering Fumarole becomes a 1/4 blue and red Elemental creature with "{0}: Switch this creature's power and toughness until end of turn

then look at the top X cards of your library

Set: Onslaught Type: Sorcery Rarity: Rare Cost: {4}{R} Choose any number of target players or planeswalkers

At the very least

Blast Zone [War of the Spark] XY204 you can select 1 "StardustSet: War of the Spark Type: Land Rarity: Rare Blast Zone enters the battlefield with a charge counter on it. {T}: Add {C}. {X}{X}, {T}: Put X charge counters on Blast Zone. {3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.