What Happens If You Copy an Ability with X in its Cost
Kefka requires tons of mana to transform, but if you manage to do so, you get to rule a ruined world, similar to when Kefka wins in Final Fantasy VI
Its presence is required at the top of the list
Liliana planeswalkers cover a range of abilities, but they often care about making players discard or sacrifice cards, which aligns with blacks general themes, and zombies, which relates specifically to Lilianas prowess as a necromancer
Zacians other attack is Brave Slash, which requires four energy but does a powerful 240 damage if you want to take out a Pokmon fast
From there, much of the deck is relatively budget friendly, but when you drop down in budget you're usually also dropping the power of the deck