If the creatures both have enough power to destroy the other one then the creatures will trade and both die
Creature - Druid Dwarf Jodah, the Unifier Legendary creatures you control get +X/+X, where X is the number of legendary creatures you control
Not only does he protect your MTG commander, he creates mana to pay for these card types, and you can tap him to stick an aura or equipment you control onto another creature
The reason its above the others on the list is that its part of an obnoxious combo with Kiki-Jiki, Mirror Breaker
Talk aloud to yourself like a habit of the old and tag us on Twitter if you want to carry on the story
These have been around for quite a while, but Wizards of the Coast has really ramped up the rate it releases them of late: this year alone we got Slime Against Humanity, Templar Knight, and most recently, Hare Apparent