Consider good options here: Generous Gift , Stroke of Midnight , Pongify , Rapid Hybridization , Path to Exile , and Swan Song
A planeswalker that only impacts the board if you already have two creatures which must attack, so they cant defend Gideon, is unacceptable at any cost, let alone 6 mana
Grave Venerations has a neat way to keep your hand filled with cards you can discard
Give them the heir of Isildurs sword, Andril, Flame of the West, and theyll get +3/+1
Additionally, decks with their own alternate win conditon, like combo decks or Toxic strategies that win by giving players poison counters, can be less vulnerable to Exile effects by including more instants and sorceries and fewer permanents
After months of the first print being out of stock, a restock of the First Chapter started to appear in early November