Even when the wait is considerable, its a sometimes proposition
This wurm is usually cheated into play or revealed from your hand in order to use the massive stats
While theyre useful to ramp out massive artifacts, they also work exceptional well in storm and similar archetypes that attempt to cast a flurry of artifacts by making 1- or 2-mana artifacts cost 0
The Serum Tank receives counters as artifacts enter the battlefield, and you can tap it for 3 mana, pull off a counter, and draw
It blanks single-target removal, stops Fireballs aimed at your face, and leaves you up a small Zombie Army
Krarks ability lets you copy instants and sorceries, and Sakashima removes the legend rule while becoming a copy of Krark