If I use Baited Hook on Glassic, does its Deathknell happen first or the Baited Hook effect?

When you use Baited Hook on a unit with Deathknell (such as Glasc Mixologist), the resolution order is fixed by the rules of the chain (LIFO—Last In, First Out). You do not have a choice to resolve your reveal effect before the Deathknell trigger.

According to RiftJudge FAQ #9826 and Rule 808.1.d.2, the Deathknell trigger is added to the chain as a pending item the moment the unit is killed by the Baited Hook instruction, before the Baited Hook effect continues to resolve.

Sequence of Resolution:

1. Activation: You activate Baited Hook, paying its costs and targeting the Deathknell unit.
2. Resolution Begins: Baited Hook begins to resolve. It kills the target unit.
3. Trigger Creation: Because the unit has Deathknell, its trigger is created and added to the chain as a pending item before the unit is moved to the trash (per Rule 808.1.d.2).
4. Hook Continues: Baited Hook finishes its remaining instructions: you look at the top 5 cards and (optionally) play a unit.
5. New Unit Finalizes: If you play a unit from your deck, it enters the board and finalizes. If that unit has a "When you play me" (WYPM) ability, that ability is added to the chain as a pending item.
6. Resolution (LIFO): The chain resolves in reverse order:
   • Any WYPM ability from the new unit resolves first.
   • The Deathknell trigger resolves last.

In summary: You do not choose the order. The Deathknell trigger is created first, but because the chain resolves in LIFO order, the Deathknell trigger will always resolve after the effects of Baited Hook have finished.

Note: I referred to "Glasc Mixologist" based on the context of the FAQ, as I could not find a card simply named "Glasc" with Deathknell in the database. Please ensure you are referring to the specific card "Glasc Mixologist" or provide the exact card name if it differs.