Flash creatures play exceptionally well with Discreet Retreat, allowing you to trigger the card draw effect on opponents' turns as well

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The difference is that Lurrus only costs three mana and has a very minor deckbuilding restriction, especially in older formats
I would usually suggest buying from reputable, large sellers as you can guarantee a card or booster packs authenticity
Will the low-cost bestow creatures be worth it in Draft
When combined with other creatures you could return from the graveyard, such as Gravecrawler, Bloodghast and Vengevine, it allowed you to quickly amass a huge board state as early as turn 2