This variance of speed speaks of the variety of the format as it has a lot of ways to let you play
1) Wording that would generate a really weird replacement effect, may now be a trigger: e.g., Black Vise There are obvious patterns to a lot of them, like with this one "if during upkeep" will generally become "at the beginning of upkeep" but then there are ridiculous things like Animate Dead that will you never ever "get right" trying to infer current functionality
npm install --save pokemon-tcg-sdk-typescript This will install the Pokemon TCG API
Once you've learned how to play, you can mix and match ten different themes of cards
Arnos option to be cast facedown as a disguised creature is fine in an environment with other face down creatures, but it's basically useless if Arno's your Rakdos commander
Im not sure why this card, in particular, is so valuable but its quirky and unique, to say the least