One of the tricks R&D uses is to put multiple cards in the same card code slot as a way to say "These cards cannot both go into the set so we're trying them out." This keeps the lead designer from constantly getting comments that the cards are too close
When necessary, myr can override and control any artificial object, as can their creator
Youll usually see this color pair together with blues counterspells and black removal/discard
The major downside, of course, is that it lets your opponents do the same, which could be disastrous
The easiest battles to flip, Invasion of Gobakhan and Invasion of Zendikar, each enter play with three defense counters
What's most important is building a deck that has a plan to win and the tools to do it