You could try to get some money for enough (unupped) cards for a second deck, if you don´t have all bazaar cards.
Colors close to Earth could be fine so you could use some of the cards you have now.
You could e.g. make a time deck with earth mark ,some graboids., + Eternity (didn´t test that)
Or try to change your shrieker deck a bit.
Does Precognition work (to decide whether you should burrow them or not ) ? Titanium Shield/ Diamond Shield, Procrastination are some possible cards to put in your shrieker deck.