Ninjutsu abilities can be activated only after blockers have been declared
With his first ability, you can start building your token swarm even without many other cards on the board
(If it would be dealt damage or destroyed, remove a shield counter from it instead.) Proliferate
Basically, when this creature dies, is sent to exile or back to the hand, controllers create a 0/1 colorless Eldrazi Spawn that can be sacrificed for one colorless mana
Chan did an excellent job capturing Nyx, the starry realm that exists within Theros night sky, while also having dynamic action
The first is some kind of impossibly try-hard Omnath, Locus of Creation plus General Ferrous Rokiric brew in Modern, which sounds unplayable to me right now