It's worth the card if this Wraith Noble is your Commander and you built your deck around it
One classic example is Supreme Verdict from Return to Ravnica, which I still think is the best board wipe ever printed
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Everything else encompasses board wipes that miss your tokens (Hour of Reckoning, Citywide Bust), removal that works well with a small army (Devouring Light, Conclave Tribunal), card draw which again uses the army (Camaraderie, Collective Unconscious, Overwhelming Instinct) and just generally good utility cards (Eternal Witness, Path to Exile, Reclamation Sage)
In addition to this extreme value engine, anything Anikthea copies will be a 3/3 creature with menace
