Champion · Unit

Kog'Maw, Caustic

Deathknell — Deal 4 to all units at my battlefield. (When I die, get the effect.)

This printing

Sources & text history

Card art © Riot Games.

Rulings & interactions

Riot FAQ · 2025-10-16

After. Survivors keep 4 damage after combat.

Explanation & source

This changed earlier rulings.

Riot’s answer ↗ · Riftbound Origins FAQ · Published 2025-10-16

Core Rules ↗ 158.3, 320, 466.1.a.1 and 808.1.d.3.

1 list in the tournament archive

Credited decklists containing Kog'Maw, Caustic, with section-specific quantities
Deck / player	Event	Result	Copies
Yasuo, UnforgivenSussy	Sydney Regional Qualifier2026-05-15 · Standard Constructed	#163	Sideboard 1