Since each player sacs a nontoken creature, you know that theyre losing something good and youll get the best creature sacrificed back, at least
Artificer's Intuition allows you to find cheap artifacts by discarding artifacts from your hand
My personal preference for a solution would be the first option I listed changing cards so that only key portions of the card are foiled
Aside from these artifacts, the deck uses white for cards like Disenchant and Swords to Plowshares to be able to survive until it can set up a lock, and it can also use blue for counterspells
Niv-Mizzet, Supreme is a legendary 5/5 Dragon Avatar that costs one of each color of mana, making it roughly similar to Niv-Mizzet Reborn as a combat-ready flier
Three were given to the Elves, immortal, wisest and fairest of all beings