Origin of the Hidden Ones
Enchantment — Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I
— This Saga deals 4 damage to any target.
II — Create two 1/1 black Assassin creature tokens with menace.
III — Whenever an Assassin you control attacks this turn, create a 1/1 black Assassin creature token with menace that's tapped and attacking.
Kim Sokol
Assassin's Creed (ACR)
• #36Rulings
You choose which player, planeswalker, or battle the Assassin tokens are attacking. Each Assassin token can enter attacking a different player, planeswalker, or battle, and they don't need to be the same ones that the Assassins you control are attacking.
(wotc • 2024-07-05)
Although the tokens created by the third chapter ability enter the battlefield attacking, they were never declared as attacking creatures. Abilities that trigger whenever a creature attacks won't trigger when they enter the battlefield attacking.
(wotc • 2024-07-05)
Rulings
You choose which player, planeswalker, or battle the Assassin tokens are attacking. Each Assassin token can enter attacking a different player, planeswalker, or battle, and they don't need to be the same ones that the Assassins you control are attacking.
(wotc • 2024-07-05)
Although the tokens created by the third chapter ability enter the battlefield attacking, they were never declared as attacking creatures. Abilities that trigger whenever a creature attacks won't trigger when they enter the battlefield attacking.
(wotc • 2024-07-05)