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.)

I Create a 0/2 colorless Thopter artifact creature token with flying named Ornithopter.

II Tap any number of untapped artifacts you control. When you do, Yotia Declares War deals that much damage to target creature or planeswalker.

III Up to one target artifact you control becomes an artifact creature with base power and toughness 4/4 until end of turn.