Among the best options for this are Felidar Sovereign with lifegain, Palinchron for infinite mana with Deadeye Navigator, or any of the dozens of combos you can make with Intruder Alarm
It's also good when splashed in a Selesnyan deck
Hobgoblin Bandit Lord is hovering around $4 a card now, but the more people get to play with it (and the more they realize it can help set up an alternate win condition in goblin commander decks), the more they should be able to charge for it
In a discard-heavy strategy in EDH you should play both cards, but in a 60-card format Id stick to 3-4 Liliana's Caress
Typically we run out of cards around turn 5 or 6, and being able to play that card draw right when we need it is vital
The Goose Mother, a 2/2 legendary creature with flying, enters the battlefield with a number of +1/+1 counters on it