[+1]: Draw a card, then add one mana of any color. [–2]: Create a 4/4 red Dragon creature token with flying. [–8]: Search your library for any number of Dragon creature cards, put them onto the battlefield, then shuffle.
Flying {2}: This creature gets +1/+0 until end of turn. {X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by this creature this turn. Activate only once each turn.
Flying Whenever Korvold enters or attacks, sacrifice another permanent. Whenever you sacrifice a permanent, put a +1/+1 counter on Korvold and draw a card.
Becoming a dragon only sharpened his raw ambitions.
Whenever a creature you control with flying enters, it gains haste until end of turn. Whenever a Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control.