Coins are earned in-game through playing, whereas Gems are purchased with real money
The joke here is that you can use the mana from your Treasures to pay for extort, which recoups the life loss from creatures dying
For this reason, the creative team on R&D tends to avoid calling cards "Bob the Giant," choosing the more evocative Hammerfist Giant or Bloodfire Colossus instead
She importantly survives Let the Storm Rage On and Teeth and Ambitions, which probably makes her a bit better than Gaston
Fugitive of the Judoon Chapter I The Thirteenth Doctor arrives on Earth and finds that the Judoon (a group of Rhinoceros-looking space police) are looking for a fugitive
Because there was so little blocking going on, and because the creatures were so aggressively costed (you won't see too many two power evasion creatures for two mana anymore much less having multiples in the common slots of each color), games tended to end on turn five