because the RL prevents WotC from printing new versions of those cards
65 card sleeves featuring Mewtwo
Across a 20-pack box, that gives you about a 41% chance of pulling Akari Pikachu specifically meaning ~2 boxes get you to ~65% cumulative odds, and 3 boxes get you to ~80%
Wrap Up Shard of the Void Dragon | Illustration by Alex Konstad Dealing with artifacts is not something that black was designed to do, and the color pie and its restrictions are part of what makes Magic what it is
Once you have these cards, you're also free to customize your deck as you see fit though you need to have a minimum of 40 and maximum of 60 cards per deck, not accounting for any extra cards like Fusion or Xyz monsters
A 4/4 creature for 5 is a reasonable rate as well, though as with most of blacks best mana doublers, being a creature is a pretty significant drawback with the amount of spot removal and board wipes flying around