Moving it for only a single mana is really solid, and you really have something cooking if you can find a way to do this at instant speed
Seven mana's still a fortune for this sort of effect, but permanent creature exile on an ETB isn't something blue cards get to do often
Graveyard Trespasser / Graveyard Glutton Graveyard Trespasser has proven itself an annoyingly robust threat in Cubes and Pioneer
But there's a major difference here that's contributing to the price tag on some of these Final Fantasy art cards
So, if a player had a deck with Pandemonium and Saproling Burst for 21 damage to someones face and the Burst was killed post-combo, I can Aid it back into play (and smash someone for 21, such as perhaps the Pandemoniums owner!)
MtG Foundations Rare Scrawling Crawler Artifact Creature Phyrexian Construct 3/2 At the beginning of your upkeep, each player draws a card