While visually striking, these are generally less valuable than traditional holofoil cards, unless part of a special edition or rarity pattern (like the Master Ball foil, explained below)
However, the massive Flare Up attack won't do anything if there are less than 10 Fire Energy cards in your discard pile
It came so long after the Invitational (it was released in 2011, four years after the Invitational took place) and it was so different from the original design (the original was a land that had Channel 2UU: Counter target spell) that a lot of people dont even associate it with Tiago and dont know its an Invitational card
Teferi, Hero of Dominaria [Best Control Finisher with Built-In Card Draw] Teferi, Hero of Dominaria is the gold standard for control finishers, perfectly representing why White/Blue is one of the most powerful MTG color combinations for long-game strategies
A two-point bump in Power gets it to the two-hit threshold, which is not nothing, and the fact it can protect itself with Treasures or Clues or Rocks or whatever other permanents you can rustle up is super solid