Whether it was due to a large supply, anti-scalping measures, or some combination of the two, the card remained on sale for 24 hours, so most people who wanted a copy had time to buy
Good luck fellas
Likewise, it also works really well in counters decks (like my Hamza, Guardian of Arashin deck), as the cost to prevent your draw will increase as Esper Sentinel gets bigger and bigger, easily making it more costly to pay for than even Rhystic Study
Frequently Asked Questions How much is Overlord of the Mistmoors worth
Warehouse Plane Kandoka Whenever one or more creatures you control deal combat damage to a player, create a Treasure token
Its an artifact too, which matters because several common blue cards care about artifact synergies