Note that while it is the source of damage for its activated ability, it won't be on the battlefield as that ability resolves and its first ability won't increase the damage it deals
Iymrith is among the better options for tap-out control finishers in Cube, and while this wont be the most powerful strategy in Vintage Cube, this card is definitely playable even there with the right supporting cast
While on the surface it might seem cool, it does exactly what I'm saying not to do
The deck of choice that night was Blue-White deck that looked to cast Masters Call or Blade Splicer into Shape Anew for my only maindeck artifact creature, Blightsteel Colossus
Quick Glance at the Duals As far as Duals go, its a lot of Collectors Edition and International Edition Dual Lands
This ability is an additional cost found on modal cards that allow you to choose one or more modes