Tinybones, the Pickpocket Being able to cast permanent spells from opponents graveyards is pretty strong, even if you have to deal combat damage to them first
Exploiting ways to put things on the bottom of your library will often make Grenzo, Dungeon Warden into an insane value/combo engine
Note that, with too few actual plane cards in the deck, the game could get into a degenerate loop when you continuously reveal phenomenon cards -- hence the warning about minimum deck size
Burrowguard Mentor One green, one white creature Rabbit Soldier */* Uncommon Trample Burrowguard Mentors power and toughness are each equal to the number of creatures you control
In this regard you can play very politically with Kraj, adopting a pseudo-Group Hug style until you suddenly win out of nowhere with the right combination of abilities
Wizards stated in 2008 that the Mythic rarity was not to read like "a list of each set's most powerful, tournament-playable cards." In the first years of the Mythic era, Wizards did a great job achieving these ideals