Cards like Wellspring of Life or commanders that gain life make the four-life payments trivial, turning this into a powerful card advantage engine
Rivaz of the Claw If you're running a dragon-heavy deck that likes playing from the graveyard, Rivaz of the Claw is a huge enabler
Then, in addition to the free spells, you wipe the board, too - Because whatever you cascaded into (or anything else you've happened to cast that turn) will damage all opposing creatures equal to their CMC
Its stats, 3/3 double strike for 5 makes it even good to win the game with
Not bad at all, especially when paired with the Archdruids +1/+1 boost to power and toughness for your other Elves
That said, this is where I'm taking the deck: Add another staple board wipe Add more Eldrazi Add GY hate Start upgrading the lands Additions: The single best upgrade the deck isn't actually any of the Eldrazi Titans, it's Ugin, the Spirit Dragon: this is yet another one-sided board wipe for our deck, allowing us to spend the early turns ramping, drop Ugin to wipe our opponents and catch up on board, then start dropping our haymakers