None of them really stood out to me, with the exception of this one, from Sergey Glushakov
Focus on starting hands with low-mana cards
With both menace and flying Junji is a difficult creature to keep up with, efficiently blocking most other flying creatures being played as well as being notoriously difficult to kill
That ability is "when the last defense counter is removed from this permanent, exile it, then you may cast it transformed without paying its mana cost." This means that if for any reason a battle enters the battlefield without defense counters, it will be put into the graveyard and its controller will not get the chance to exile it
Opposites in Harmony Just as allied colors can disagree with one another, so too can enemy colors find common ground and productively combine their strengths
What does 1996 World Champion do