I have opted for aggression whenever presented with a choice between comparable effects, choosing Lone Missionary over Arashin Cleric, Lyev Skyknight over Reflector Mage, etc
When playing with Planechase cards, roll the planar die and follow the instructions on the card for traveling to different places or triggering chaotic effects.
While the temptation will no doubt be to block this massive mole, doing so is just what Anzrag players are hoping for, leading to a whole new combat step
It feels like owning a small piece of history
Drawing cards is always helpful and gives you more options
Jorn is a mana-tastic Nature's WillNature's Will in the command zone that happens to run a lot of Rimefeather OwlRimefeather Owl and Ohran FrostfangOhran Frostfang cards to shut the game down, and his back half will help you recover in the late game if necessary