tokaido card sleeves (Sleeved) Board Game Organizer by BitsBins Pass through magnificent countryside 200PCS 61x88mm Ultra Clear Card

Really all that is holding this back is that it is gold

This Boros card gives Boros Energy decks in Modern plenty of late-game impact, and it gives control decks an interactive spell that comes back as a threat later

It could also potentially be due to the Leviathan being weakened from the prolonged hostilities (it was noted that there was more than one battle during the Atlantis conflict)

3 Ashcoat Of The Shadow Swarm Big Rats milling for more Rats Ashcoat of the Shadow Swarm is a Rat from Jumpstart 2022

Overall, Cecil, Dark Knight and Dark Confidant mark a new direction to approach both early-game aggression and long-game resilience

Not quite a death trigger, but Fling also works decently with cards on this list