grey card sleeves Prime Dark Gray 66x91 – Grognard Games the Sidewinder is the perfect companion for the Superhive 550+ or Smarthive 400+ Tyvek® Credit Card Sleeves Unprinted

Its especially powerful in a tribe with good lords because you can buff up your army even more

In order to achieve any of this, though, you'll need a sac outlet

For every dark energy attached to it, Darkrai takes 20 less damage from attacks

Its unlikely to make any real impact on Standard, however that doesnt mean its not powerful in the right deck, most likely in Commander

During your Main Phase, if this card is in your GY: You can add it to your hand, then discard 1 Dark World monster

Skip the empty shelves, the limit 2 per customer signs, and the mysterious guy who somehow bought the entire display before you walked in