You dont have to keep track of exactly which card came from what pack, but I recommend recreating packs with the appropriate ratio of commons, uncommons, and rares/mythics
This deck looks quite dangerous, and this is a great addition to those decks
This makes the card tremendously flavorful, and a perfect card to appeal to Timmys and Tammys everywhere
Since it has two card types and is more oriented towards less explosive lists, it might be worth testing in Delirium lists and similar ones that appeared in Standard and could, perhaps, be migrated to Pioneer
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Rikku, Resourceful Guardian: Once a creature has been blocked, Rikku's first ability won't cause it to become unblocked
The Floodborn cards Protective Embrace effect grants other characters the Ward keyword, making it valuable as a way of defending against challenges from your rival players