When you play against a deck with a high density of removal spells, waiting to cast Pack Rat until turn 5 is just insane because it forces them to have two removal spells immediately
Step Back Into Kanto
If damage would be dealt to Bloatfly Swarm while it has a +1/+1 counter on it, prevent that damage, remove that many +1/+1 counters from it, then give each player a rad counter for each +1/+1 counter removed this way
If you can throw in any synergies with the Mobilize tokens this seems like a potentially strong card
Other Line Options Klinklang I mentioned it earlier about trying to buff Metal
For example, if you sort by alphabetical, your favorite decks will be sorted alphabetically, followed by the rest of the decks in your collection (also in alphabetical order, of course): Last Played will sort all your decks based on how recently the deck has been played, starting with the most recent and going backwards from there