I even know players that still play with Scion of the Ur-Dragon, because they would prefer to play dragons in more of a combo style
Furyblade Vampire gives us an optional discard at the beginning of combat to give her +3/+0 until end of turn
It makes small creatures every time we place +1/+1 counters on our permanents, which can ensure the Coven ability has a variety of power levels on the field
And of course, Deaths Shadow players may be tempted by the idea of lowering their own life total to grab their signature card
Whenever possible, the cards work the same way, the rules are the same, and you can even pause to think (or bluff) according to the same timing
Kaalia of the Vast and Sivitri, Dragon Master can be strong dragon commanders