Hey! I would suggest either running equipment like
Blackblade Reforged over smaller Auras like
Giant Spectacle. You do not have to take a chunk out of your wallet for some good equipment either, there are plenty of amazing equipment that make things unblockable, huge, and budget friendly. If you want to keep Tana's source of power aura based, I would suggest adding more things that care about enchantments like
Setessan Champion,
Argothian Enchantress, and
Verduran enchantress for some nice card draw that will smooth out the late game. The removal department is also lacking a little,
Predator, Flagship does not really cut it at all. I would add more fight spells, because you are gonna have a massive Tana, might as well put her to work.
Prey Upon,
Rabid Bite, etc. I would also add some more Artifact hate, Grave hate, and Enchantment hate. Spells like
Burn Away deal with pesky reanimation decks, whereas a simple
Nature's Claim can kill any
Sol Ring at the least. The rest of the deck seems fairly well put together, tokens are one of my favorite parts of EDH. Hope this helped with your deckbuilding!