(d) At the beginning of your end step, if this permanent was cast for its impending cost and there is at least one time counter on it, remove a time counter from it
MTG Final Fantasy decks can have plenty of options within the set for equipment cards, too
If an Adventure spell leaves the stack in any way other than resolving (most likely by being countered or by failing to resolve because its targets have all become illegal), that card wont be exiled and the spells controller wont be able to cast it as a permanent later
Both in the command zone and in the 99, this is a terrifying new option for Dimir decks to have access to
It has items, locations, Reckless challengers, Huey-Dewey-Lewey combos, and a couple of Rise of the Floodborn cards that weren't playable back then and still aren't playable now
You can also abuse the crap out of its ability in your colors