Couple issues i have with your deck first take out quest for the holy relic its for equipment not enchantment second throw in Harabaz Druid for more mana.
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also reduce your count to 60 and lands to about 22 with maybe some fetch lands so you can thin out your deck for the cards you need and its helpful with hedron crabs landfall effect.
I dont play too many mill but try hedron crabs and archive traps
Your definitly wanna get the red and blue fetch lands they are little expensive but worth it get 4 if you can and get rid of 4 mountains or increase your chance by get rid of 2 cards and and 2 mountains