Outpost Siege is certainly the best at generating resources, but this deck does not have anything in the late game as powerful as Soulfire Grand Master loops, and I doubt Outpost Siege reverses the arrow of inevitability in our favor, so I favor something aggressive
Decree of Pain [Wizard deck]: It's a little late, and the wizard deck could use some counterspells to stall gameplay, but I will take it
In Zendikar Rising, we return to the mana-filled plane to deal with the mysterious and dangerous creatures that live there now after the aftermath of Eldrazi's defeat
Usually it's gain arbitrarily large amounts of life and never die and nobody cares because you still lose to Thassa's Oracle, but this is a fun way to gain some life and get something out of it and build a deck around that
Adding a final coating can help protect the cards from scuffing, scratching, and dirt or moisture
This includes Metallurgeon, Poultice Sliver, Pteron Ghost, Vigilant Martyr, and Gore Vassal