This really comes down to your personal goals
Quickly do a lot of damage to your opponents team by spreading around damage counters
To fuel these plays, youll need a stable mana base
1 Perilous Vault I suspect we are seeing this exiling variant of Oblivion Stone right after Theros block as one final colorless answer to any indestructible Gods that remain problematic
I can see this card becoming a staple equipment, at least in EDH
Pros & Cons Black sleeves never go out of style Smooth card sleeves make shuffling easier 80 sleeves to a pack, leaving you with spares for a standard MTG deck Personal preference plays a huge role in what sleeves you end up using, between how the sleeve feels, what colors they have available, durability, and even how lucky you seem to be when you use those sleeves