Much like Contraband Livestock, I think theres some cool gameplay value in the mini-game rolling this each upkeep
Draft booster packs contain 21 cards each, including one marketing card, and a wide variety of cards based on rarity and foil treatment
The latter will often rapidly increase in value just after a set is released, and theyll tend to be the most visually interesting cards too
But the more aggressive the format is, the worse this looks, to the point where it might end up being unplayable
If an effect exiles Summon: Esper Maduin and then instructs you to return it to the battlefield, it remains face up in exile (unless that effect instructs you to put it onto the battlefield transformed, in which case it returns as Summon: Esper Maduin)
It also only cost 1 mana to start