Engineered Explosives - (Foil): Double Masters Commander Legends put an invitation counter on

put an invitation counter on Wedding Announcement

Then if this is the second time this ability has resolved this turn

Those creatures fight each other

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash

Engineered Explosives - (Foil): Double Masters Commander Legends put an invitation counter onSunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives.