You can expect a lot of wild gameplay with this card, and its highly likely that well continue to see powerful enters-the-battlefield abilities on creatures to further cement its status as an instant Commander staple
There is a clear order to the construction of this deck, and while thats occasionally hindered by card draw, you can immediately see the logic in your hand, and understand which cards should be played first, to take advantage of any possible counter placement and proliferate mechanics
Out of the cycle, Hall of Storm Giants sees the most play as an almost hexproof 7/7 is an amazing threat to have access to
But the chasest of the chase are the serialized versions, which go for hundreds of dollars (even for cards with regular versions that cost a few bucks)
Thorn Thallid Like many other fungi, Thorn Thallid accumulates spore counters as turns pass
Cascade triggers when you cast the spell, meaning that it resolves before that spell