Arcane Foundry › Commanders › Sin, Unending Cataclysm
Sin, Unending Cataclysm
Legendary Creature — Leviathan Avatar · {5}{G}{U} · Green/Blue commander
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.
Build a Sin, Unending Cataclysm deck →
What Sin, Unending Cataclysm actually does
Read off the card by the same engine the Forge and Analyzer use — this is the mechanical classification, not a summary.
- Triggered ability · deathWhen Sin dies, put its counters on target creature you control, then shuffle this card into its owner's library.
- Keyword · flyingflying
- Keyword · trampletrample
- AbilityAs 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.
What a Sin, Unending Cataclysm deck needs
Plays as death value. What the commander asks of the other 99 — read from the card and checked by hand.
- sacrifice outlets and recursion for the commander (its own death is the payoff)
- counter doublers and proliferate (it grows only itself with +1/+1 counters)
The Sin, Unending Cataclysm deck plan
The roles the Forge fills for this commander, and how many cards of each.
- 10× Sacrifice a creature for no mana, repeatably
- 8× Evasion that does NOT target or attach — for a commander your own auras and equipment cannot legally touch
- 12× Put +1/+1 counters on creatures you control, or multiply the ones already there
- 7× Actually remove one problem permanent — preventing its damage is not removing it
- 10× Find the exact card the plan needs
- 4× Answer a spell or ability before it resolves
- 3× Answer a whole board at once
- 8× Refill your hand
- 3× Keep a permanent you control alive through removal
Best cards for Sin, Unending Cataclysm
Ranked by an engine that reads what each card does — its real cost, its delay and how reliably it works — rather than counting how often other people play it.
Sacrifice a creature for no mana, repeatably
- Altar of Dementia2 mana
- Spawning Pit2 mana
- Ashnod's Altar3 mana
- Phyrexian Altar3 mana
- Greater Good4 mana
- High Market0 mana
- Lazotep Quarry0 mana
- Witch's Oven1 mana
Evasion that does NOT target or attach — for a commander your own auras and equipment cannot legally touch
- Tetsuko Umezawa, Fugitive2 mana
- Glaring Spotlight1 mana
- Wonder4 mana
- Reverse the Polarity3 mana
- Garruk's Uprising3 mana
- Combine Chrysalis2 mana
- Inquisitorial Rosette2 mana
- Archetype of Imagination6 mana
Put +1/+1 counters on creatures you control, or multiply the ones already there
- Branching Evolution3 mana
- Hardened Scales1 mana
- Ozolith, the Shattered Spire2 mana
- Kami of Whispered Hopes3 mana
- Benevolent Hydra2 mana
- Michelangelo, Weirdness to 112 mana
- The Earth Crystal4 mana
- High Score3 mana
Actually remove one problem permanent — preventing its damage is not removing it
- Reality Shift2 mana
- Pongify1 mana
- Rapid Hybridization1 mana
- Resculpt2 mana
- Beast Within3 mana
- Nature's Claim1 mana
- Emerald Charm1 mana
- Naturalize2 mana
Find the exact card the plan needs
- Green Sun's Zenith1 mana
- Nature's Rhythm2 mana
- Neoform2 mana
- Worldly Tutor1 mana
- Reshape2 mana
- March of Burgeoning Life1 mana
- Mask of the Mimic1 mana
- Long-Term Plans3 mana
Answer a spell or ability before it resolves
- Mindbreak Trap4 mana
- Fierce Guardianship3 mana
- Force of Negation3 mana
- Force of Will5 mana
- Flare of Denial3 mana
- Pact of Negation0 mana
- An Offer You Can't Refuse1 mana
- Arcane Denial2 mana
Answer a whole board at once
- Desynchronization4 mana
- Wave Goodbye4 mana
- Whelming Wave4 mana
- Consuming Tide4 mana
- Oversimplify5 mana
- Selective Obliteration5 mana
- Needle Storm3 mana
- Evacuation5 mana
Refill your hand
- Mystic Remora1 mana
- Skullclamp1 mana
- Sylvan Library2 mana
- Curiosity1 mana
- Wizard Class1 mana
- Garruk's Uprising3 mana
- Rhystic Study3 mana
- Faerie Mastermind2 mana
Keep a permanent you control alive through removal
- Guardian Augmenter3 mana
- Saryth, the Viper's Fang4 mana
- Lost in the Maze2 mana
- Lightning Greaves2 mana
- Swiftfoot Boots2 mana
- Asceticism5 mana
- Eldrazi Monument5 mana
- Commander's Plate1 mana
Combos with Sin, Unending Cataclysm
Known combos from Commander Spellbook that Sin, Unending Cataclysm is a piece of, and how many decks list them.
- Sin, Unending Cataclysm + Body Of Research + Sage Of Hours27 decks
- Sin, Unending Cataclysm + Verdant Succession + Phyrexian Altar4 decks
- Sin, Unending Cataclysm + Eirdu, Carrier Of Dawn + Shilgengar, Sire Of Famine2 decks
- Sin, Unending Cataclysm + Verdant Succession + Ashnod's Altar1 decks
- Sin, Unending Cataclysm + Deathrender + Heirloom Blade + Ashnod's Altar1 decks
- Sin, Unending Cataclysm + Eirdu, Carrier Of Dawn + Viscera Seer1 decks