digimon card game great legend booster box BT04 Japanese – Galaxy 12 Super Rare Cards Digimon - Great Legend Booster

You need to cast two creatures to get your commanders full effect on the field, and you can synergize that extra commander-cast with cards like Captain Vargus Wrath and Genesis Storm

(In the dub he says that they each begin with 2000 Life Points and the first player to hit 0 loses.) Yugi activates the Millennium Puzzle and changes into Yami Yugi

Conversely, replacement effects that apply to the number of counters put on a player can modify the counters placed this way

Not only does it become a massive threat in short order, but it makes anything else you need to be threatening into a killer monster worthy of attention