Dragon Hatchling

Flying
{R}: Dragon Hatchling gets +1/+0 until end of turn.

Demanding Dragon

Flying
When Demanding Dragon enters, it deals 5 damage to target opponent unless that player sacrifices a creature of their choice.

Defender
When Dragon Egg dies, create a 2/2 red Dragon creature token with flying and "{R}: This creature gets +1/+0 until end of turn."

Dragon spells you cast cost {1} less to cast.

Lightning Bolt deals 3 damage to any target.

Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, discard two cards.
Draw three cards.

Flying, haste
Shivan Devastator enters with X +1/+1 counters on it.

Flying
{R}: This creature gets +1/+0 until end of turn.