Four mana for three creatures isn't the worst, nor is opting to tap down three creatures instead - with a stun counter each, no less
However, some collectors have raised the question, to peel or not to peel, the new transformation cards
Might not happen, but we even had those two Shrouded Fable collections include 2 very nice SIR promos last year, so it's not impossible
World Breaker World Breaker is exactly what I would expect from an green eldrazi
The math folks could probably shed some better light on why this is good
Alongside the potential time-wasting shenanigans, Space Beleren threatens to make everything much more needlessly confusing