If a permanent enchanted with an Aura that has totem armor would be destroyed by multiple state-based actions at the same time (most likely because a creature with deathtouch has dealt damage to that creature greater than or equal to its toughness) totem armor's effect will replace all of them and save the creature
The more you use it, the more broken it becomes
The last ability of Clive's Hideaway will allow you to cast both exiled cards without paying their mana costs (assuming you control four or more legendary creatures at that time.) In a Two-Headed Giant game, Traveling Chocobo's second ability does not affect triggered abilities of permanents your teammate controls
Where Bedlam Reveler shines is against the fairer creature matchups, where the decks burn spells tend to get pointed at creatures rather than the opponent
A single stun counter will be removed if the permanent tries to untap for any reason, including its controller's untap step, a spell or ability trying to untap it, or even its controller trying to untap it to pay a cost (although that one's unusual)
As for Tribute to the World Tree, the card screams synergy in any Green-based deck that runs a bunch of creatures