(Yep, it was a precon rare!) Since that day, it has made Hand of Cruelty into a tournament threat, been banned from Modern, helped justify the existence of creature decks in Legacy, and proven to be unbeatable past the second charge counter
This hiked the prices of Lord of the Rings Collector Booster boxes until it was found
Using creatures such as Mnemonic Wall, Archaeomancer, and Ardent Elementalist, you can cast one of these flicker spells on the recursion creature to be able to get your flicker spell back instantly
Theres been a long trend, especially in more recent years, with free spells and little to keep them in check
Token generators like zombies, soldiers, and spirits
Can I Use a Background as a Normal Enchantment