Fai

The Phoenix Flame is taken from your presented deck. It is included in the minimum cards required in the deck at the start of the game. This means you could start a game with 59 cards in the deck zone for classic constructed format, or 39 in a blitz constructed format.

A draconic attack becomes a chain link when it resolves as a layer on the stack and becomes attacking. This means going from the layer step of combat to the attack step of combat.

If the combat chain is open, you are still considered to control a (draconic) chain link, even if the attack is no longer on the combat chain. Last Known Information is used to determine the type of a chain link.

Discounts to resource costs are applied after increases to resource costs. If an effect would increase the resource cost of Fai’s ability, the decreases would be applied last.

Fai’s instant ability can be activated on the opponent’s turn, but you would not control any draconic chain links (most likely).