Pretty cool.
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If you're playing galvanizers and red mana, you really need to include Splinter Twin for infinite # of infinite/infinite galvanizers.
You need 20 more cards. Try Tectonic Edges, Melt Terrain, Devastating Dreams, or Destructive Force. Goblin Ruinblasters and Acidic Slime are good land destruction bodies as well.
I like this idea. If you feel like you're drawing into to many 0s and have unspent mana, you could also try subbing in some Furnace Celebrations from Scars of Mirrodin. {1RR} Enchantment, when you sacrifice a permanent, you may pay {2}, if you do, deal 2 damage to target creature or player.
I like spreading seas too, but what to take out? Also, this deck is so fast, I'm not so sure the added control is warranted. Thoughts?