Sun Oct 01, 2017 11:03 pm
"On Spawn" only triggers on entering the map (wave 1 turn 1), or when such an ally enters the map. This is the same as how Zoey works, they won't trigger on subsequent turns or waves. I mean, they aren't spawning in once they enter the map, just moving to the next wave, spawning just refers to the "creation of the card on the battlefield".
Entering and exiting Celestial Form will also trigger "On Spawn" because the elves will destroy their own card and spawn in the replacement Cesletial Form elf card, which is why it also removes all buffs and debuffs.