You cast the copies while Baron Helmut Zemo's boast ability is resolving and still on the stack
Provided your deck has upwards of 38 lands (and closer to 40 is ideal, mixed with good draw engines) these one mana enchantments can help you drop an unfair amount of extra lands into play
Pokemon - $70.85 The Ultimate Rarity Bump Its safe to say that HeartGold and SoulSilvers Fire Energy design is one of the best
Red is not listed here because it uses damage to deal with planeswalkers rather than destroy them outright
There are a few reasons why, but perhaps the most relevant is that there is a much better version of Pikachu, and you will want that out on the table if you can have it
I believe Zekrom will remain the main attacker in most Zekrom decks, but Zekrom EX can be used to take out key pokemon in an opposing deck's infrastructure, allowing Zekrom, which is already known for taking an early lead, to then finish off the rest of the pokemon