While topdecking isnt a good thing, Tiana at least means that a player can hinder opponents in some situations
The alternate name has no effect on gameplay. If you put Thrum of the Vestige in your Commander deck, you're in fact putting in a Lightning Bolt as far as singleton deckbuilding rules go
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
Dragon Fire is an action card that, once you play it, allows you to banish a chosen character
This is Iagos weakness, but if your opponent doesnt have the cards or the inkwell resources to out it, it becomes a massive threat
It could also mean you have to reduce Maximus strength if he is the only character in play