You generally want to get Shield-Wall Sentinel first if you have multiples and you cast one to find another Sentinel or Chaplain, as long as youre not under a lot of pressure
Delirium - Whenever a source you control deals noncombat damage to an opponent, if there are four or more card types among cards in your graveyard, Fear of Burning Alive deals that amount of damage to target creature that player controls
It's great card flow over time and you can get loads of cards from it
With all the attention Lulu, Stern Guardian is currently getting, however, Lulus applications may become well-known enough for players to remove them more promptly
What makes Force of Vigor an especially valuable reprint is its alternative cost, allowing you to discard a green card outside of your turn to play this card for free
If youve purchased or unlocked companions you can set them here too