While you can win a counterwar to protect spells on the stack, you can also get a two-for-one by redirecting a removal spell away from one of your creatures to one of your opponent's
Konami issued an Advanced format which is used in tournaments and is a list of cards that are forbidden or limited to a certain number of copies of a certain card per deck, (To see the current March 2010 list of forbidden cards, check out www.yugioh-card.com, the website covers all regions so its good for everyone!)
Personally, its made me think a lot about making a dedicated The Mummy (2017) MTG Commander Deck, with a stand-in for Ahmanet as a Commander for a horde of Zombie-type Mummy creatures
The manifest synergy is just too tempting
Destroy them, then you can Special Summon a number of "Doom King" monsters from your Deck and/or Extra Deck, up to the number of destroyed cards