Heroic Intervention If you're looking for a green way to keep your board safe, Heroic Intervention is the go-to
Of note, if you don't receive a Dracula series rare or mythic rare card in this slot, then you will instead get a Dracula uncommon in the Dracula uncommon or showcase common/uncommon slot instead
In fact, if you were to employ this strategy at the Pro Tour, so long as you did a good job drafting, building your deck, and playing the games, you'd have a perfectly fine chance to do well
Adding +1/+1 to each of your creatures is especially great if you have Frodo on the board as making him beefier will help his Ring-bearer abilities trigger and also help him deal greater commander damage in combat
The chase Traveling Chocobo variants, for instance, are exclusive to Collector Boosters, as are surge foil and extended-art cards