That is amazing that there is a common elvish archdruid. So sweet.
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You don't need 22 forests. You have 8 one mana costing elves. I run 19 or 20 forests in my elves deck and never get mana screw. I have play tested it often. You might also consider Artisan of Kozilek for an eldrazi. If one of your archdruids gets removed, you cast artisan for 9 and bring back a creature from your graveyard. Also, consider Fauna Shaman. You can sacrifice a big creature, then get the artisan from your library, cast it and bring both into play. Great combo.