Some options:
Remove 3 dragons and 3 towers for Basilisk Blood.
Change dragons with Graboids and mark to
. Or directly replace them with Shriekers.
Using graboids allows you to swap 3-5 towers for Basilisk Blood to suspend
creatures with annoying abilities and lower your enemies damage output.
If you often face mono or duo decks, you could use 5 of each creature and add two earthquakes as well.