Between this and Aetherdrifts Brightglass Gearhulk, cheap hate pieces have never been more accessible
The need to play it immediately represents the fact that Anakin needed to change quickly if he were to survive his injuries, and making the creature an artifact in addition to its other types represents how Darth Vader is more machine than man. #16
It also happens to make use of counters
Some cards, however, will prevent a permanent from untapping during their controllers next untap step , such as [c]Frost Lynx[/c]
Standard cards use circle (Common), diamond (Uncommon), octagon (Rare), gold star (Super Rare), and silver star (Legendary)
Converting that mana into multiple Ezuri activations was a clean way to convert your wide board into victory, and in many traditional elf decks, it works just as well now as it did back in the day