EDH Optimizer
Sin, Unending Cataclysm
Legendary Creature — Leviathan Avatar · 5GU
Color identity: Green · Blue · Simic
Sin, Unending Cataclysm is Simic (green and blue): its deck can only run cards of those colors plus colorless ones.
Rules text:
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.
Reference price of the card: €0.46
Comes in the precon Counter Blitz
Average lands in decks for Sin, Unending Cataclysm: 36
+1/+1 CountersVoltronCounters MatterRampProliferateComboAggroMidrange
Build your Sin, Unending Cataclysm deck step by step, with in-depth analysis and AI optimization of your list.
🛠️ Build a deck for Sin, Unending Cataclysm 📥 Analyze my deck🎲 How the average Sin, Unending Cataclysm deck starts over 4,000 games
The list people actually play (the 99 most-included cards, with its average land count), simulated with the EDH Optimizer engine: hands, mulligans, lands, curve and commander. It does not model opponents; it measures whether the plan gets going.
Deck health of the average list: B (73/100)
- Consistency69
- Speed61
- Interaction74
- Resilience73
- Closing85
See the cards of the average deck · 99 cards, 36 lands (25 nonbasic, 4 Island, 7 Forest)
Sol Ring · Forgotten Ancient · Arcane Signet · The Millennium Calendar · Cultivate · Hardened Scales · Simic Ascendancy · Zimone, Paradox Sculptor · Branching Evolution · Gyre Sage · Managorger Hydra · The Earth Crystal · Fathom Mage · Kami of Whispered Hopes · Vorel of the Hull Clade · Deepglow Skate · Incubation Druid · Swiftfoot Boots · The Ozolith · Counterspell · Rampant Growth · Evolution Sage · Inspiring Call · Chasm Skulker · Maester Seymour · Farseek · Kodama's Reach · Lightning Greaves · Arixmethes, Slumbering Isle · Warden of the Grove · Beast Within · Herald of Secret Streams · Terrasymbiosis · Master Biomancer · Three Visits · Mutational Advantage · Bristly Bill, Spine Sower · Innkeeper's Talent · Doubling Season · Kalonian Hydra · Ozolith, the Shattered Spire · Growth Spiral · Heroic Intervention · Nature's Lore · Mossborn Hydra · Ripples of Potential · Wave Goodbye · Inexorable Tide · Sphere Grid · Ouroboroid · Birds of Paradise · Tromell, Seymour's Butler · Repulsive Mutation · The Great Henge · Bred for the Hunt · Thrummingbird · An Offer You Can't Refuse · Kodama of the West Tree · Llanowar Elves · Prime Speaker Zegana · Ram Through · Vexing Puzzlebox · Arcane Denial · Command Tower · Hinterland Harbor · Dreamroot Cascade · Breeding Pool · Reliquary Tower · Flooded Grove · Rejuvenating Springs · Vineglimmer Snarl · Simic Growth Chamber · Karn's Bastion · Yavimaya Coast · Temple of Mystery · Dark Depths · Willowrush Verge · Rogue's Passage · Overflowing Basin · Misty Rainforest · Yavimaya, Cradle of Growth · Boseiju, Who Endures · Exotic Orchard · Evolving Wilds · Mosswort Bridge · Hedge Maze · Mistrise Village · Tangled Islet
🃏 Recommended cards for Sin, Unending Cataclysm
The highest-synergy cards in decks for Sin, Unending Cataclysm, with their inclusion rate.
| Card | Inclusion | Synergy |
|---|---|---|
| The Millennium Calendar | 63% | +62% |
| Forgotten Ancient | 69% | +59% |
| Zimone, Paradox Sculptor | 60% | +54% |
| Managorger Hydra | 58% | +54% |
| Gyre Sage | 58% | +52% |
| The Earth Crystal | 58% | +52% |
| Deepglow Skate | 53% | +51% |
| Fathom Mage | 57% | +50% |
| Vorel of the Hull Clade | 56% | +48% |
| Kami of Whispered Hopes | 57% | +48% |
| Branching Evolution | 59% | +46% |
| Simic Ascendancy | 60% | +46% |
| The Ozolith | 52% | +45% |
| Incubation Druid | 53% | +45% |
| Hardened Scales | 62% | +45% |
| Maester Seymour | 45% | +44% |
| Warden of the Grove | 43% | +41% |
| Chasm Skulker | 45% | +39% |
| Evolution Sage | 49% | +39% |
| Master Biomancer | 41% | +35% |
| Mutational Advantage | 40% | +35% |
| Inspiring Call | 48% | +35% |
| Bristly Bill, Spine Sower | 39% | +34% |
| Kalonian Hydra | 38% | +34% |
💰 The best cards for your Sin, Unending Cataclysm deck, by budget
Three tiers based on the maximum price PER CARD you are willing to pay. Paste your list and hit Optimize: you pick that cap and the AI only suggests swaps that fit under it.
Tier 1 · Budget up to €2/card
The most value for almost nothing. Coming from a precon? Start here.
- The Millennium Calendar
- Forgotten Ancient
- Managorger Hydra
- Gyre Sage
- Deepglow Skate
- Fathom Mage
Tier 2 · Balanced up to €10/card
The real step up: pieces that are no longer cheap but still sensible.
- Zimone, Paradox Sculptor
- The Earth Crystal
- Kami of Whispered Hopes
- Branching Evolution
- Evolution Sage
- Mutational Advantage
Tier 3 · No cap no cap
The cards your price cap was hiding from you.
- The Ozolith
- Bristly Bill, Spine Sower
- Terrasymbiosis
- Mossborn Hydra
- Ouroboroid
- Doubling Season
Reference prices (cheapest English printing). They change daily.
♾️ Known combos with Sin, Unending Cataclysm
- Hullbreaker Horror + Sol Ring → Infinite colorless mana, Infinite storm count
- Inexorable Tide + Evolution Witness → Infinite LTB, Infinite ETB, Infinite death triggers, Infinite storm count, Infinite proliferate, Infinite +1/+1 counters on a creature
- Incubation Druid + Freed from the Real → Infinite mana lands you control can produce
- Fathom Mage + Wizard Class → Infinite card draw, Infinite draw triggers, Near-infinite +1/+1 counters on a creature
- Kami of Whispered Hopes + Freed from the Real → Infinite colored mana
- The Great Henge + Altar of Dementia → Infinite self-mill, Infinite card draw, Near-infinite ETB, Near-infinite LTB, Near-infinite mill, Near-infinite death triggers, Near-infinite sacrifice triggers, Infinite ETB, Infinite LTB, Infinite death triggers, Infinite mill, Infinite sacrifice triggers
Other commanders
Frequently asked questions
What is Sin, Unending Cataclysm's color identity?
Sin, Unending Cataclysm is Simic (green and blue): its deck can only run cards of those colors plus colorless ones. Color identity comes from every mana symbol on the card, including those in the rules text, not just the casting cost.
What turn does Sin, Unending Cataclysm come down, and how often does the deck get stuck?
In the average Sin, Unending Cataclysm deck (the 99 cards most played with it, with 36 lands), simulated 4,000 times, the commander comes down on turn 6.3 on average and is on the battlefield before turn 7 in 80 % of games. It misses at least one land drop in the first six turns 21 % of the time and floods 14 %. Deck health: B (73/100).
How many lands should a Sin, Unending Cataclysm deck run?
Real Sin, Unending Cataclysm decks run 36 lands on average. That is a starting point, not a rule: a lower curve can shave one or two, big-mana builds want more. The EDH Optimizer simulator tells you, over 10,000 games, how often you get mana screwed or flooded with your exact count.
What are the best cards for Sin, Unending Cataclysm?
The three highest-synergy cards are The Millennium Calendar, Forgotten Ancient, Zimone, Paradox Sculptor. This page lists the top 24 with their real inclusion rate in Sin, Unending Cataclysm decks.
What combos does Sin, Unending Cataclysm have?
Sin, Unending Cataclysm has 6 known combos. The most popular one is Hullbreaker Horror + Sol Ring. Note that two-card combos raise your deck's bracket, so it is worth knowing which ones you are running before you sit down.
How much does a Sin, Unending Cataclysm deck cost?
You can start cheap: The Millennium Calendar, Forgotten Ancient, Managorger Hydra are under €2 each. The "Level up" section on this page splits the best cards into three price caps PER CARD (up to €2, up to €10 and no cap), and the optimizer only suggests swaps that fit the cap you pick.