Cloak Because Morph was considered to be a bit weak for the Standard environment at the time of Murders at Karlov Manor and hence produced disguise, that set also introduced an upgraded coordinate mechanic called Cloak
Generic tribal cards like Chronicle of Victory, Heraldic Banner, Patchwork Banner, and so on are all perfectly reasonable additions to any tribal decks
On top of that, ward 3 makes removing Tivit a hassle for opponents as even if you do have enough mana to pay the ward cost, you're likely not doing anything else with your turn due to running out of mana
Having these terms make it easier to explain the rules around abilities
For everything else, TCGPlayer and eBay sold listings give you all the market data you need
Seeing its forlorn face makes me giggle for some reason