There are lots of ways to make a good MDFC, like its power, flavor, or design
Third, Revised was a glimpse into the future
So, dont waste characters with evasion or bodyguard by sending them into a challenge or mulligan unnecessarily, and avoid using them as ink
While this starts off small, it wont be a huge threat to your opponents for a few turns still, letting you get a few smaller hits in and saving your more threatening creatures from removal spells later in the game
It is a lot more awkward than all the other card quality effects but it does several things that are highly abusable and unique or at least rare
For this cost, you get a 3/4 with vigilance and haste, and you have to choose a player as they enter the battlefield