Its great for combat and against damage-based sweepers, but its also highly vulnerable to Naturalize effects
The graphic they added to the Mystery Booster packs had a square background, and the one they used for The List seems to have a rounded background, which creates a telltale difference in the shape of the cards border as you can see on Chatter of the Squirrel and Ancient Den as well as subtle changes in its placement on new border cards, as seen on Boros Challenger
This can be a powerful tool in multiplayer formats by making a deal with an opponent to handle an infuriating enchantment for you
In addition, Ill be walking you through some of the basics here as well
Legality depends on the tournament format -- Masterpiece Vault can be legal in some formats and banned or restricted in others
Whether youre competing against a human or an arcade games programming, its all about looking for opportunities to strike your blow while keeping yourself protected from their strikes