amazon kaladesh booster box Magic: The Gathering Kaldheim Collector Build decks MTG Booster Pack : Kaladesh

In other words, its an effective counter to counterspells

Once per turn: You can detach 1 Xyz material from this card, You can detach 1 Xyz material from this card, then target 1 monster on your side and one on your opponent's side of the field: attach them as Xyz Materials to this card OR target one card on your side of the field and two on your opponent's side of the field: destroy those targets

In some iterations of the duels, players would become soulless husks if they lost their match

C Common Secret Barrel X TRAP Inflict 200 damage to your opponent for each card in their hand and for each card they control

They are effective against Fire-types, but must beware of the conductive power of Electric attacks 4