Savage Thallid Savage Thallid is the timeshifted Feral Thallid, this time one mana cheaper, a little weaker, and with the missing Saproling-creation ability
Despite being difficult to recur thanks to Ultima exiling itself on the stack, this combo is easily powerful enough to see play in Modern, and will likely be experimented with in control decks
Losing a creature a turn is a hard pill for an opponent to swallow, especially once it costs you no investment past the initial one mana and one card
Giving your artifact creatures flying/lifelink can be strong, but you have to be built for proliferation effects, artifacts, and payoffs for the actual counters from proliferating
PleasantKenobi put it succinctly on Twitter: Am I going crazy, or is all of the content around Final Fantasy ignoring the price hike
This repeatable access to key creatures is one reason Green Suns Zenith appears so frequently in decks built around the best elf commanders