Hyrean, Evershifting Plane

All cards have "Cycling {2}"
The game starts with Long-awaited Vegetation
in play.
At the beginning of starting players turn, put a
turn counter on this card.
When this card has 5 turn counters on it, reveal
cards on top of the Library until you reveal an
event card and put it in play. Shuffle the rest
into your library.
When this card has 10 turn counters on it,
during your draw step, draw an additional card.