You don't need to be built around her with legends or pestilence effects for her to be a very solid option, just having a merfolk looter that prevents you from early attacks by being a 1/3 would legitimately be enough, but then you also get a late game threat and some extra free looting when you cast your commander
We just have to be careful not to deck ourselves with Chasm Skulker
These flimsy pieces of paper were some of the most highly sought after pieces of Pocket Monster merchandise back then, but this particular trading card game has evolved substantially since Wizards of the Coast first held the rights to manufacture and distribute the product
You do not need previously released cards to play cards from this set
You dont have to invest any cards, just keep the ability open, until you want to play your Demon Beast later
Sword & Shield was the first set released in the SWSH series on February 2020, concluding with Crown Zenith on 20th January 2023