Magic: the Gathering is a game about not dropping down to 0 life, so increasing your total life as much as possible is a sound strategy
The original creature isnt exiled or anything either, so you can always reanimate that creature back in play, giving you two copies of that creature
It happened during Tempest design, the first design I was ever on
Gerry Thompson, Brad Nelson, and Brian Braun-Duin were all planning on playing a pretty solid-looking U/W/R Control deck, but I didnt have any Jace, Architect of Thought, Entreat the Angels, Terminus, or Steam Vents
Being in Mardu, which is , makes ramp a little difficult
The borderless mythic rare versions can be found in either booster pack, but textured foil mythics can only be found in Collector boosters