oh my bad, did not see the side board >.< but if you insist on 5 types of lands you should def get some multi-lands to play out your creatures faster, instead of hoping to find a certain type of land. Or go green and get some land searches XD
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This deck is slow, like slooooooooooooooooow. Concentrate on using less types of land and focus on what you want the deck to do. I'd sayr cut down the amount of colours your using and find ways to stall till your combo goes off, or until you get lifeline/altar. In this case fabicrate, or other search cards would be nice to get your trump cards faster.
With 16 legendary cards, it probably wouldn't be a bad idea to get some mirror gallery's in there, also Isao needs a forest to be play so you could replace him, or if you really want just add some forests/dual lands. Other than that looks like a solid deck.
That's alot of land imo, I think you should lessen it to around 20-24 instead of 30. That might help you run into more allies rather than getting mana flooded. Also I found that the Puma's are nice if you don't have enough ally cards, but you're better off putting real allies in, that way your activating their abilities more often. I also didn't like the Tukjuk Grunts and Numana Sell-Sword, to expensive for a haster and a black card, when you can just get Oran-Rief and Kazandu for cheaper. Dual lands will definitely help get this deck going faster too. And I guess Bloodchief and Baloths are just in for their awesomeness? XD
I don't know how it would work, but if you Pithing Needled the Rats, would that make em all useless 2/2s?