Double-sleeving means you put your card in an inner sleeve and then into the outer sleeve, adding an extra layer of protection from dirt, moisture and other environmental factors
Thrakkus doubles the power of your dragons each turn when it attacks, which makes one-shot combat phases a possibility, especially if you can give your dragons double strike
You have your usual Sol Ring and Arcane Signet, but there's also a few dragon-centric accelerators
Unfortunately, Ruinous Ultimatum is also wildly expensive, costing two red, three white, and two black
Creature - Angel Color tag templates(None) Reveillark Flying When this creature leaves the battlefield, return up to two target creature cards with power 2 or less from your graveyard to the battlefield