Its a 3/3 with haste that proliferates once its tapped, helping you rack up counters pretty swiftly, especially on the Spacecraft cards that made their debut in this set, too
This is your hand and there is no hand limit
Its ability to copy spells with X in their costs makes it outrageous
It's handy for combo strategies, builds your Storm count, pumps Prowess creatures, puts an Instant into the graveyard to get you towards Delirium or enlarge a Tarmogoyf, and gets you closer to Threshold or pays for Delve costs And sometimes you would rather have cards on top of your deck than in your hand
While these linear strategies aren't usually my cup of tea, I had a lot of fun piloting it
Those left uncorrected are even more appealing and valuable to collectors