"When they no longer trust their senses, that's the time to strike." So the 7-attack statline and the First Strike keyword represents the archmage summoning the wall attacking the opponents that are confused
The one weakness is that opponents might be able to access some of the same spells as you if they also play a Dauthi Voidwalker, because it only looks for cards belonging to opponents that have a void counter on them
Routinely, these cards are the most coveted in their sets due to their rarity
Understanding these states is essential to playing the Pokmon Trading Card Game effectively
Getting 2/2s simply for playing Magic is a strong ability on its own, and opens up options for mana ramp, Voltron (making 1 creature super strong through powerups), Curses like Curse of Opulence for table politicking, and several other cool, unique effects that Auras can bring to the table as you build a token army
Trample makes the creature benefitting from it difficult to block