Since Eldrazis are mostly colorless creatures, look for colorless mana adding cards as well that can benefit your entire board greatly
Third, double-sleeve them, then store them with a 62% pack in a box that does not get a lot of circulation (it doesn't need to be airtight, but that helps)
That is the joy that is magic, there is always a solution to a problem, you just have to recognize when there is a problem and respond accordingly
Do you remember the feeling of drawing three cards off Ancestral Recall
Its a bit of a mana investment to get it flipped, and Nicol Bolas, the Arisen isnt insane or anything, but the front half already sets the floor pretty high
Boseiju, Who Endures If you knock at the door of the Green Assassins' Guild and ask them for help with your artifact or enchantment problem, you could hire Force of Vigor