Id miss having red and the tools it brings, but he still feels like an interesting option that might have legs in cEDH
Doubling your lifegain just doesnt matter in Limited, and cost reduction isnt that important either, especially once youve hit 4+ mana already
Several of the cards, all rare, showed new Disney properties portrayed on cards for the first time, while others revealed or otherwise detailed new mechanics
My other fave crystal in the set is The Fire Crystal
But the rare card also has a single ability called 10,000 Needles, which is excessive in a way that only Final Fantasy abilities can be excessive: Whenever this creature attacks, it gets +9999/+0 until end of turn. Do you need to deal 10,000 damage to another creature in a game of Magic ever
If it changes zones, it will either cease to exist (if it's a token) or cease to be a copy (if it's a nontoken permanent), and so you won't be able to cast it as an Adventure