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Whenever this creature becomes the target of a spell or ability an opponent controls, that player loses 4 life

They can get by without having many instant-speed effects, or the ability to finely control which cards they draw

Good The core gameplay is fun

This frame was never seen again

And if you want my opinion on commanders from specific sets, check out my fun ranking series

Turning the targets into treasures is certainly a drawback since it gives players the option to turn their useless card into mana, but ironically players will often crack their treasure and lose the opportunity to get their card back when Kitesail Larcenist leaves the battlefield