As soon as you have things like Wheel of Fortune in your deck or several colours of different cards then your Prototype is pretty unplayable
In the handful of Lorwyn spoilers released so far, we have seen one commander that uses -1/-1 counters: High Perfect Morcant
Card-Flip Game #92 Pokemon Neo Genesis Keep track of your collection value over time
However, this deck is also a tokens deck, and its MTG commander, Hazel of the Rootbloom, can tap your tokens for mana while also copying tokens - making two copies if that token was a squirrel
In fact, it can look damaged, making the American use of 'Very Good' perhaps even more of a misnomer
If the number of digivolution cards under the opponent's Digimon targeted by this effect is less than or equal to those of your chosen Digimon at the timing when this card's effect activates, the effect will continue, even if the target's number of digivolution cards later increases