The chapter template only has one parameter to determine what symbol should be used.
| Code | Result |
|---|---|
| {{Chapter|I}} |  I
|
| {{Chapter|II}} | II
|
| {{Chapter|III}} | III
|
| {{Chapter|IV}} | IV
|
| {{Chapter|V}} | V
|
Example
Example 1
History of Benalia 
Enchantment — Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)I, II — Create a 2/2 white Knight creature token with vigilance.III — Knights you control get +2/+1 until end of turn.
Example 2
The First Iroan Games 
Enchantment — Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)I — Create a 1/1 white Human Soldier token.II — Put three +1/+1 counters on target creature you control.III — If you control a creature with power 4 or greater, draw two cards.IV — Create a Gold token.