Equipped creature gets +1/+1 and has double strike and trample
Depending on your budget, size of your collection, and value of your cards, you can start with a convenient option like a D-Ring binder, and work your way up from there
By just tapping this artifact, you can sneak a very expensive creature, enchantment, or artifact onto the field, then use Brago, King EternalBrago, King Eternal or Aminatou, the FateshifterAminatou, the Fateshifter to flicker the card, which will bring it back to the battlefield face-up
Kokusho, the Evening Star - As with any list, there will inevitably be much crying and gnashing of teeth over the eventual "#1"
If you can make it indestructible or give it deathtouch, or both, that will turn this into a board wipe or a way to deter an attack to buy time
Starfall Invocation Starfall Invocation is a great gift card and not the kind that needs an envelope