jumpstart booster box dominaria Foundations - In each booster Rare pull from Dominaria United

Malice Doll of Demise X DARK Level 4 [ Fiend / Effect ] ATK 1600 DEF 1700 During your next Standby Phase after this card was sent from the field to the Graveyard by the effect of a Continuous Spell Card: Special Summon this card from the Graveyard

The former's "Evolutionary Advantage" let "Flabb" evolve immediately if the user went second at the start of the match, which paved the way for Cosmic Eclipse "Floette" to disrupt the opponent's hand in the same turn

negate the next attack this turn from a monster your opponent controls (this is a Quick Effect)

Here is an updated take on the list utilizing the cards Ive talked about above

You have to detach 3 Xyz Materials and give up most of your LP, but it destroys all of your opponent's Special Summoned Monsters and deals up to a maximum damage of 1500 LP