New Mechanics Playing a character from your discard for free Return characters from your discard to your hand Reveal cards from the top of your deck Below youll find each card previewed from Shimmering Skies and information on the sets various products
So, there are limits, hence probably why it was printed in a Standard-legal set
If the flicker player cannot get some valuable targets onto the battlefield and keep them there, they cant reach that efficiency breakpoint where they begin recurring high-impact ETB triggers to advance their board at instant speed instead
Yuna, Grand Summoner Yuna, Grand Summoner is a powerful card
The cheap creatures that ETB turn Satya's attack trigger into a deep mine of resources and simply become card advantage
You can just leave him up and fly him around from location to location each turn, gaining lore as you go