In a different world I could have seen the Ur-Dragon mistakenly working more like Kentaro, the Smiling Cat and removing the need for any kind of mana requirements, but luckily that was not the case
The Quick Draw deck is classic Izzet spellslinger, giving you rewards for playing loads of instants and sorceries, or even 'storming off', but Stella's ability to copy the third spell you cast each turn is just absurd value
Abilities that trigger when a creature enters the battlefield see that a 2/2 creature entered the battlefield
This will help with X costs like Martial Coup or Stroke of Genius, fat things like Time Stretch, or dorks like Avacyn, Angel of Hope
Lets look at a few notable cases across eras: Base Set (19961999): The original Base Set offers a clear example of value divergence
APSA 7may have surface wear like minor fraying or a small printing blemish and might be off-centered