So do you think I should switch the Heavy storm in for the Trunade or just replace a different card for it?

your deck looks promising but could use a little help. Check out my Gravekeeper deck to get a little help. I also use a Guardian Sphinx in my deck but sometimes it maybe better to run a 2cd Mobuis. Also i would take out the Injection fairy Lily and add an exiled forces. Also maybe replace the Giant trunade for a heavy storm.

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A Force From The Grave!!!
A Hero Returns!!!
The Lost City Of Atlantis!!!

Please rate my decks and let me know what you think. Thank You!!!

Just re-edited my deck. please take a look