That's already a fine deal, but sometimes you'll get free turns out of it
Then youd play Recurring Nightmare, sacrifice a creature immediately to swap it with the big nasty creature card in your graveyard, and then swing with it for game
His 160 HP means it will be able to take at least one attack from almost all opposing Pokmon, whilst its own attack, Guard Press, can do 120 damage
While this card is in the Monster Zone, you cannot Special Summon monsters from the Extra Deck, except Synchro Monsters
Meanwhile, the chaos helps reuse those that dont get called up by your Commander so you can get their Blitz value all over again
It's possible to win a game without monsters or creatures, but most typical decks in either game make heavy use of their monsters or creatures, which can decide the game with devastating attacks or a stubborn defense to buy the player time