He has pretty good synergy with the other things going on in these sorts of decks too
Like Umezawa's Jitte or Sword of the Animist, or any random planeswalker or key dorks like the 50+ in this set alone
If you do, transform Isilu
The amount of mana in this deck might seem overboard but I can tell you from experience that this is the correct amount: this deck is all about ramping into huge haymakers, so if you want to be hardcasting things like Rise of the Eldrazi you're going to need a LOT of mana
While you control, Liliana's Undead Minion, nothing can cause you to lose the game
Even ignoring combos, Magic has so many busted lands like Nykthos, Shrine to Nyx and Gaea's Cradle that this giant would become premium green top-end