this deck is pretty sick. Though i would replace Kalonian Behemoth with Rampagin Baloths as it's cheaper, better ability, and trample.
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looks nice! i would suggest vines of vastwood over might of oaks though. The "can't be a target of spells or abilites" really helps, especially if it is paired with something like primal bellow and trample. Also replace rampant growth with harrow, because those two lands come into play untapped and paired with lotus cobra is a easy for mana for garruk or something. Finally, i would add another garruk, because all his abilities are awesome.
needs more removal: path to exile, journey to nowhere, oblivion ring, thunderbolt, volcanic fallout... it goes on and on
This is pretty ridiculous, but I think you need to add a lot more lands, because so many of the creatures and enchantments are expensive.
This is a really creative idea for a mill deck. You'd be screwed if your opponent had an anti-artifact deck, but the chances of that aren't likely.
Razortooth Rats!!
That Beacon of Immortality is pretty ridiculous. This is pretty good. To give it more killing power though, maybe add some more creatures with exalted.
How much did you spend on this again? Like $70?
Put in some Millstones! And I hate Planeswalkers...