Read ahead
(Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)
The Elder Dragon War deals 2 damage to each creature and each opponent.
Discard any number of cards, then draw that many cards.
Create a 4/4 red Dragon creature token with
flying (This creature can't be blocked except by creatures with flying or reach.).