one piece card game double pack set vol 1 07 A Fist of Divine Speed DP07 Take your adventure to the skies with the Adventure on Kami’s Island Double Pack Set Vol.10 One Piece - Tin Pack

I do not have Pact of Negation in my cube presently however its value rapidly increases as the number of suitable archetypes for it increases and with cube design being as diverse as it is you can easily include more of those archetypes from one of a few different approaches

You could win the turn after it drops with enough mana out and that static ability

While Dan is on the battlefield, an Aura enchantment that somehow becomes an artifact in addition to its other types will also become an Equipment

Obviously that all gets thrown out if you play a desert-centric commander like Yuma, Proud Protector or Hazezon, Shaper of Sand, but its better to analyze these cards on their own and not in the context of an individual card that makes them much, much better

Which if you hit the cards are pumped up even bigger