(1/22/2011) If you don't cast the creature card that turn, Havengul Lich won't gain any of its abilities
Stats & Insights Get a deeper look at your collection with breakdowns by rarity, archetype, estimated total value, and how that value changes over time
Using prison style decks to keep Azami off mana - infinite or otherwise - and deny other resources to prevent the deck from achieving mass card advantage
This states that the RC is responsible to manage the format in such a way as to "encourage positive, communal experiences where people can bond over the shared experience of gaming" and "help players communicate their preferences and arrive at a shared set of expectations"
Having a more simplistic way to bring in people, I see this as Wizards trying to revitalise Standard
The oracle rulings state: If casting the revealed card involves paying a mandatory additional cost (such as the one Fling has), the player casting that card must pay that cost if able.This isn't optional either