Heir to Dragonfire

Creature — Human Warlock2/2

{R}: Heir to Dragonfire gets +1/+0 until end of turn. {2}{R}, Reveal Heir to Dragonfire from your hand: Heir to Dragonfire perpetually becomes a Dragon, gets +3/+3, and gains flying.

Not legal in Commander

View Heir to Dragonfire on Scryfall