First printed in Final Fantasy Commander (2025)
All 2 prints
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Final Fantasy Commander (FIC) #185, 2025
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Final Fantasy Commander (FIC) #95, 2025
Sin, Unending Cataclysm 
Legendary Creature — Leviathan Avatar
Flying, trample
As Sin enters, remove all counters from any number of artifacts, creatures, and enchantments. Sin enters with X +1/+1 counters on it, where X is twice the number of counters removed this way.
When Sin dies, put its counters on target creature you control, then shuffle this card into its owner's library.
Legality
- Legal in
- Legacy, Vintage, Commander, Duel Commander, Oathbreaker
- Not legal in
- Standard, Pioneer, Modern, Pauper, Future Standard, Historic, Timeless, Alchemy, Penny Dreadful, Premodern, Old School 93/94, Gladiator, Pauper Commander, PreDH, Tiny Leaders, Brawl, Standard Brawl, Competitive Brawl
MTGO price: 1.01 TIX, the cheapest non-foil print (average sell price on GoatBots, 28 Oct 2026).
Combos
92 combos from Commander Spellbook, the most popular first.
- Lock, Near-infinite turns: Body of Research + Sage of Hours + Sin, Unending Cataclysm
- Infinite creature LTB, Infinite creature ETB…: Phyrexian Altar + Sin, Unending Cataclysm + Verdant Succession
- Infinite artifact tokens, Infinite Blood tokens…: Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Shilgengar, Sire of Famine + Sin, Unending Cataclysm
- Infinite +1/+1 counters on creatures you control, Infinite charge counters on a permanent…: Sin, Unending Cataclysm + Spawning Pit + Verdant Succession
- Infinite creature ETB, Infinite creature LTB…: Ashnod's Altar + Deathrender + Heirloom Blade + Sin, Unending Cataclysm
- Infinite creature ETB, Infinite creature LTB…: Bartolomé del Presidio + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Sin, Unending Cataclysm
- Infinite creature ETB, Infinite creature LTB…: Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Phantom Train + Sin, Unending Cataclysm
- Infinite creature ETB, Infinite creature LTB…: Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Sin, Unending Cataclysm + Umbral Collar Zealot
- Infinite creature ETB, Infinite creature LTB…: Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Sin, Unending Cataclysm + Viscera Seer
- Infinite creature LTB, Infinite creature ETB…: Altar of Dementia + Intruder Alarm + Selvala, Heart of the Wilds + Sin, Unending Cataclysm
