pokemon card mamoswine 033/189 - Astral Radiance - Rare Evolution Lot plus 20 more damage for each Piloswine on your Bench Mamoswine 033 - Reverse Holofoil

That is not a workaround or a gray market

Once the Day/Night cycle has begun, if it becomes Day, you transform all Nightbound permanents

Even one copy of this enchantment in play with Isshin, Two Heavens as One, is effectively two, and Squad makes it exponential

Because Aether Revolt has fewer cards, and because we're drafting with more packs of it, you're about as likely to see a specific Kaladesh Common as you are to see a specific Aether Revolt Uncommon , about 10% less likely to see a specific Kaladesh Uncommon as you are to see a specific Aether Revolt Rare , and about 21% less likely to see a specific Kaladesh Rare as you are to see a specific Aether Revolt Mythic

In a modern world, would it even be played let alone worth more than fifty bucks no matter how rare

The cost-reduction ability of Sentry Bot doesn't change its mana cost or mana value, only the total cost you pay