booster box union arena UE08BT Black Clover New Theatrical Edition Union Arena: Yu Yu Hakusho:

Sliver spells you cast have cascade

1 Oversized spindown life counter 2 Reference cards 1 Deck box Prerelease Pack Each Prerelease Pack contains the following : 6 Magic: The Gathering Foundations Play Boosters 1 Traditional foil year-stamped rare or mythic rare Foundations promo card 1 MTG Arena code card (available only in select regions) 1 Deck box 1 Spindown life counter Ready to dive into Magic

The player holding the wipe wants to cast it at the most opportune time when the opponent has overextended themselves or they are about to die

Majestic Star Dragon X WIND Level 10 [ Dragon / SynchroEffect ] ATK 3800 DEF 3000 "Majestic Dragon" + "Stardust Dragon" + 1 non-Tuner monster During either player's turn, when your opponent activates a card or effect: You can Tribute this card

Tarrians SoulcleaverTarrians Soulcleaver, LashwritheLashwrithe, Blackblade ReforgedBlackblade Reforged, Wrecking Ball ArmWrecking Ball Arm, Thran Power SuitThran Power Suit, Cranial PlatingCranial Plating, and NettlecystNettlecyst beef up Kains power a significant amount and push him close to, if not well beyond commander damage range

And with just one black mana required, it's easy to splash into other colors, too