Although Marvel doesn't inherently do anything when it enters play without some setup, at four mana, players could take their time over the first few turns accumulating Energy counters with Attune with Aether, Woodweaver's Puzzleknot, and Aether Hub, so Marvel could eventually be activated on the same turn it's played for a potential combo win
This won't be the last we see of the Alolan form, as both Alolan and Kantonian Exeggutor feature heavily among the most valuable Exeggutor cards ever
Centered around the Iron Core of Koa'ki Meiru Spell card, each monster had a fairly decent effect but was let down by their maintenance costs, which meant either revealing a card in your hand or destroying the monster in question
Players of the game are in Tier 1, loyal customers who've already made several purchases are in Tier 2, and everyone else is in Tier 3
If the target creature is an illegal target by the time Path to Exile tries to resolve, it won't resolve and none of its effects will happen