The ceiling (best-case scenario) includes hiding spells from Thoughtseize, shenanigans with Counterbalance and Miracle, and shuffling away situationally useless cards
If the opponent doesnt announce that he deals 2 damage to the bear and 2 to you, and then doesnt announce the change in life totals outloud, it is considered that your Bear took all 4 damage, and the opponent gnashes his teeth
#8 Goliath Clan Leader (Enchanted) Of course Goliath had to be on this list
The buyer's final purchase price per lot is the total of the hammer price of the lot, the total buyer's premium, any applicable taxes, and this includes additional fee of 5% from the Invaluable site
three different opponents
The second (and first Constructed) Pro Tour to use the rule was Pro TourParis but I guess the "Los Angeles" mulligan just sounded less sexy