Nimble Larcenist is the first Obscura card to look at, and while it might seem unassuming, I think its a key piece for blink decks
Jidoor, Aristocratic Capital Another Traumatize variant, but this time on a land card
Mono-green seems the best pool to try this effect in.
Think Bequeathal , Keen Sense , and Rancor in mono green
It sort of gives you a little short burst, instead of a half an hour long game, which can be a positive in some scenarios
(Gold, artifact, and colorless aren't colors.) If Conqueror's Flail is attached to a creature you control and you activate its equip ability targeting another creature you control, there's no time in between activating that ability and the resolution of that ability during which it's not attached to a creature