The lower the bracket, the more casual and focused on 'doing something neat with friends' the deck is
Heres the fully upgraded list: Further Mutations If you have the resources and inclination to go further add to the deck, Sword of Truth and Justice is a decent place to start, providing useful protection and working right into the proliferate plan
If, then, the frame is not helping anymore, change it altogether: Create and start using a new frame for the next 25 years
The card is much worse if you dont want both applications as the effect is not always big enough
The two out of a possible 10 Booster Fun cards with the elemental frame which are reprints of spells that only appear in these slots, not in any other Avatar product
You have to chump block something just so you can kill something else post combat