Or, for almost exactly the same price, you could buy into the top deck in LegacyTemur Delver, which currently costs $4,441and likely play it for the next 10 years without making too many changes
Wan Shi Tong gives you an outlet for any excess mana in the late game, as well as an ideal card to hold up alongside interaction early to mid
This archetype is typically thin on removal and as such getting triggers with Kalitas is hard
Not sure how useful the 2nd effect on Mega Gigas will actually be though
Common Cards : Various Sets / CSOC-EN045 Card Rotator Common 1st Edition Mint Yu-Gi-Oh
The only downside is that you need to keep a creature alive in addition to the Enchantment in order to maintain that banishment, but Sheltered by Ghosts more than makes up for this by giving the creature in question Ward 2, for a total package that does more than other cards for less mana