equipment card draw mtg Dueling Deck Techs: The 20 Best Equipment Cards

That sort of flexibility wins matches

But out of the sideboard it can be a game-breaker against creature decks where the battlefield is likely to stall

Steel characters tend to have some of the hardest-hitting and highest defensive values in the game, but be prepared to pay slightly more Ink to pull off such aggressive feats

Here, the opposite is true

#15 WotC themselves draw a distinction between 'design' and 'development', where design is making cards and development is adapting those cards to the limited / standard environment

It's restricted in Vintage and one of the select cards banned in Arena from the Historic format