We wanted to make sure we had rules that would encompass those designs, too
A flashing Clone is really powerful since you can Clone in response to an attack and then block, plus copying key ETB abilities that kill things to key powerhouses like Consecrated Sphinx and hate cards like Esper Sentinel
Then, each player counts his or her Prize cards left and draws up to that many cards
If you insist on playing this sort of creature, there are better alternatives that dont use the level up mechanic
Sure, if your opponent has Evasive cards, it wont helpbut hey, its still a great defense item to keep your cards safe and sound
The card prices and margins also tend to be smaller, although availability allows for dedicated speculators to make up for that by trading at scale online