You can then cash it in to remove something if you need to, but its a fine card until you do
Aboshan dies easily for a six mana creature - that three toughness is below the threshold for red commons in the draft (Fiery Temper, Firebolt with flashback, Flame Burst with another Burst or Pardic Firecat in the yard, Acceptable Losses, Swirling Sandstorm, Kamahl's Sledge, Sonic Seizure, and Ember Shot will kill it), making it a little too fragile to survive in most instances
Not designed to fit larger holders such as toploaders, magnetic holders, slabs, or other thick storage formats
Maybe we havent seen it yet and might get a glimpse in upcoming art for this set
Phoenix Heart was designed by Richard Garfield (the designer of Magic: The Gathering) as a celebration of his marriage to his wife, Koni