Given the prices for the average rare and mythic, foil and special frame variant, plus the serialized prices, companies will open boxes if they can get an amount of money for the singles that accounts for the cost, both from the distributor and the company itself (time paid to employees to sort, store, and ship)
Doubling your Treasure mana off a commander that effectively costs 3 will be a powerful ability, though I dont know how interesting this cat druid will be
When you copy a spell with storm (or any other mechanic), youre not casting more copies of the card youre just using the ability to put more copies of the single spell onto the stack
Poet's Quill 3 The lifelink is appealing with black having some good ways to spend life
Ive always enjoyed having an active Underworld Connections, and Gray Merchant of Asphodel is a beast
An example can be found in Firion, Wild Rose Warrior, which gives haste to all equipped creatures a player controls, and then also allows its owner to create tokens that are copies of equipment cards
