Thats what sets instants apart from other spell types like sorceries, creatures, artifacts, enchantments, or planeswalkers, which must all be played during your main phases when the stack is empty
I don't think I have missed anything, certainly nothing that isn't greatly overshadowed by another card for that role in this breakdown but I am keen to hear if anyone thinks there is something worthy I have missed mentioning
Graveyard-exiling effects as creature ETBs are always valuable, since that's one of the easiest ways to loop an ability and trigger it again
The value concentration sits in the PSA 9 and PSA 10 categories where most collectors focus their buying efforts
While its career is still incredibly young, this Legendary Pokemon already has a few solid entries that are likely to stick around as it receives newer versions that seek to improve on the core originals