This legendary card can't be drawn from a pack, but is actually the reward for a special challenge that the game keeps secret until you've already completed it, as we'll explain in the attached guide
Instant-speed removal for just one blue mana is clutch, and often well worth the price of leaving behind a vanilla 3/3 creature
I don't think I have missed anything, certainly nothing that isn't greatly overshadowed by another card for that role in this breakdown but I am keen to hear if anyone thinks there is something worthy I have missed mentioning
On the other hand, Sight Beyond Sight reminds me of Foresee or even Dig Through Time
Siren Stormtamer is another great utility creature, while Etherium Sculptor goes in any artifacts deck
If you -3 her you can steal, for a turn, a 'walker or dork, untap it, and it has haste