Tomorrow the price of what you sold yesterday will go up (it always happens), and the day after, something you couldn't sell will spike (it doesn't happen often, but it does)
Frequently weaker cards like Maelstrom Pulse are played over this just because they are more reliable as that safety card
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Then, in the late game, we can use Compelling Argument to mill our opponent's last five or 10 cards
Similarly, its probably not in your best interest to have a deck whose goal is to cheat Drakuseth, Maw of Flames onto the battlefield or to accelerate a Sephara, Skys Blade
Stiltzkin, Moogle Merchant There arent quite enough white or colorless cards that you want to dish out to your opponents to make it obvious that Stiltzkin, Moogle Merchant is a good buildaround commander, but a 1-mana 1/2 with lifelink is also just fine