As cube designers, unencumbered by this complicated array of priorities, we are free to ignore this inherited benchmark and make our mana bases suit our draft and gameplay goals
MTGO has a key you can hold down for "Tap a dual land for whatever the first mana is, probably because you just need to spend it for a generic cost." When I do need to tap my lands individually, because I want to keep specific colors up, it takes a lot of time to fiddle with selecting colors when it usually doesn't matter at all after the first color
What you Get: A5 Greetings Card (210 x 148mm)
For your Level 3s to use with Ties of the Brethren, bring out Dark Spirit of the Stricken and Dark Spirit of the Spiteful, who when in the GY when Steelswarm Caucastag is sent to the GY, can be returned to the hand, and then their effects can be used to bring back Steelswarm Caucastag
Blocks 99% of UV rays
The second ability gives you a free equip whenever a Hamster, Mouse, Rat or Squirrel enters play