With Little John in play, your bodyguards get a lot tougher, and can even quest for a lot of lore themselves
If you do, put a number of +1/+1 counters on this creature equal to the sacrificed creature's power
Re-casting Airbent Allies will get you double triggers on the likes of Tuktuk Scrapper, and allow for huge mana turns with Harabaz Druid, since the tokens Appa makes are Allies too
Power and toughness are displayed in the bottom right corner of a creature card
With that in mind, a decent aggressive deck can often outpace poison and knock your opponents life down to zero long before they even get within the realms of winning with it
Some were huge successes, like Birds of Paradise, Surgical Extraction, and Goblin Rabblemaster, while the overwhelming majority seemed to be colossal stinkers