Besides being a senior designer in Magic R&D, Im a Level IV judge
Deny someone their Sunforgers search and cast while still unattaching the equipment, stop that Senseis Divining Top from going to the top of their library, or allow an opponent to sink 50 health into their Aetherflux Reservoir only for you to counter the ability and stop them from dealing 50 damage to you
Not Ashiok, though - it gets it all
Starting with the Ursula's Return expansion, the shift mechanic gained other ways of being activated beyond paying an ink cost
With cards like Drover of the Mighty, Channeler Initiate, Pillar of Origins, Unclaimed Territory, and Attune to Aether in Standard, it's not hard to get the mana you need to play the best Dinosaurs from each color
You don't need this list