Think strategically, and you can defeat or weaken enemy creatures, while still reaping the other benefits of Blight
Are the products safe for rare or vintage cards
This includes from the battlefield (if a nontoken permanent is destroyed or would otherwise be put into the graveyard), from the stack (if a spell is countered, or if an instant or sorcery spell resolves), from the players hand or library, and so on
It takes a lot for me to get excited about another +1/+1 counters card, and Warden of the Grove wouldnt quite do it for me if it was just another riff on Master Biomancer
Bouncing Permanents Next up, blues capability to alter the battlefield by bouncing permanents back to their owner's hand shouldnt be underestimated
Collectors often use jumbo binders, oversized sleeves, and acrylic cases to protect these cards