Until end of turn, that creature has base power and toughness 4/4 and gains flying
For those holding onto copies from the original release or the Sheldon Secret Lair, now might be the time to cash out into the market
A classic enchantment commander is none other than Zur the EnchanterZur the Enchanter, which would probably love to turn a problem creature into a Humble Merchant during combat
Even if you give a creature both keyword abilities, it wont deal its first strike damage twice and then deal normal damage again
Ashes to Ashes (Truly Honorable Mention) If this card looks at all familiar, it seems to be the inspiration for Reckless Spite, which traded in the ability to hit black creatures for artifact creatures and ended up in a better card type
Another Blossoming Tortoise combo pairs it with Crackdown Construct and Blinkmoth Nexus