Ulasht, the Hate Seed + Cathars' Crusade + Ashnod's Altar
Ulasht, the Hate Seed
Cathars' Crusade
Ashnod's Altar
Requires
Ulasht, the Hate Seed must be on the battlefield.
Cathars' Crusade must be on the battlefield.
Ashnod's Altar must be on the battlefield.
Ulasht has at least two +1/+1 counters on it.
Mana needed: 
Steps
- Activate Ulasht by paying and removing a +1/+1 counter from it, creating a 1/1 Saproling creature token.
- The Saproling enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each creature you control.
- Activate Ashnod's Altar by sacrificing the Saproling, adding .
- Repeat.
Results
Infinite colorless mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite +1/+1 counters.
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1.08% of 2413 decks
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1.11% of 988 decks
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0.03% of 8949 decks
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28% of 47 decks
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Enchantments
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43% of 56 decks
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Moldervine Reclamation
40% of 10 decks
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38% of 56 decks
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Warleader's Call
35% of 17 decks
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34% of 56 decks
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34% of 56 decks
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32% of 56 decks
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30% of 10 decks
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29% of 34 decks
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29% of 56 decks
+28% synergy
Fungal Plots
27% of 55 decks
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25% of 51 decks
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Growing Rites of Itlimoc
25% of 56 decks
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All Will Be One
20% of 35 decks
+17% synergy
Warstorm Surge
20% of 56 decks
+14% synergy
Primal Vigor
18% of 56 decks
+15% synergy
Intangible Virtue
18% of 56 decks
+13% synergy
Branching Evolution
17% of 48 decks
+12% synergy
Rhythm of the Wild
17% of 54 decks
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Fires of Yavimaya
16% of 56 decks
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Verdant Embrace
14% of 56 decks
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Assemble the Legion
14% of 56 decks
+10% synergy
Court of Garenbrig
14% of 22 decks
+10% synergy
Night Soil
12% of 56 decks
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Earthcraft
12% of 56 decks
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Uncivil Unrest
12% of 32 decks
+11% synergy
Privileged Position
12% of 56 decks
+9% synergy
Smothering Tithe
11% of 54 decks
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Greater Auramancy
11% of 56 decks
+9% synergy
Mayael's Aria
11% of 56 decks
+8% synergy
Burgeoning
11% of 56 decks
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Sylvan Library
11% of 56 decks
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Hydra's Growth
10% of 50 decks
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Inspiring Leader
10% of 42 decks
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Pollenbright Wings
9% of 56 decks
+9% synergy
Dawn's Reflection
9% of 56 decks
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Druids' Repository
9% of 56 decks
+8% synergy
Fecundity
9% of 56 decks
+8% synergy
Keen Sense
9% of 56 decks
+7% synergy
Felidar Retreat
8% of 48 decks
+1% synergy
Divine Visitation
7% of 54 decks
+5% synergy
Rite of Passage
7% of 56 decks
+7% synergy
Glare of Subdual
7% of 56 decks
+6% synergy
Death's Presence
7% of 56 decks
+6% synergy
Defense of the Heart
7% of 56 decks
+5% synergy
Wedding Announcement
7% of 46 decks
+6% synergy
Fists of Ironwood
5% of 56 decks
+5% synergy
Squirrel Nest
5% of 56 decks
+4% synergy
Duelist's Heritage
5% of 56 decks
+3% synergy
Planeswalkers
Wrenn and Realmbreaker
18% of 34 decks
+15% synergy
Xenagos, the Reveler
16% of 56 decks
+14% synergy
Huatli, Radiant Champion
15% of 55 decks
+13% synergy
Elspeth, Sun's Champion
14% of 56 decks
+10% synergy
Utility Lands
Gavony Township
39% of 56 decks
+30% synergy
Vault of the Archangel
33% of 12 decks
+23% synergy
Oran-Rief, the Vastwood
25% of 56 decks
+20% synergy
Reliquary Tower
23% of 56 decks
-6% synergy
Boseiju, Who Endures
22% of 46 decks
+2% synergy
Vitu-Ghazi, the City-Tree
18% of 56 decks
+17% synergy
Karn's Bastion
17% of 52 decks
+12% synergy
Yavimaya, Cradle of Growth
17% of 48 decks
+7% synergy
Mosswort Bridge
16% of 56 decks
+6% synergy
Rogue's Passage
16% of 56 decks
-3% synergy
Temple of the False God
14% of 56 decks
+5% synergy
Dark Depths
11% of 56 decks
+10% synergy
Thespian's Stage
11% of 56 decks
+8% synergy
Windbrisk Heights
9% of 56 decks
+4% synergy
Kessig Wolf Run
7% of 56 decks
-9% synergy
Grove of the Guardian
5% of 56 decks
+5% synergy
Khalni Garden
5% of 56 decks
+4% synergy
Kher Keep
5% of 56 decks
+3% synergy
Dryad Arbor
5% of 56 decks
+1% synergy
Spinerock Knoll
5% of 56 decks
+1% synergy
Gaea's Cradle
5% of 56 decks
-0% synergy
Mana Artifacts
Sol Ring
79% of 56 decks
-6% synergy
Arcane Signet
54% of 50 decks
-18% synergy
Fellwar Stone
20% of 56 decks
-1% synergy
Chromatic Lantern
18% of 56 decks
+8% synergy
Gruul Signet
16% of 56 decks
+4% synergy
Commander's Sphere
12% of 56 decks
-3% synergy
Talisman of Unity
11% of 56 decks
+3% synergy
Talisman of Impulse
11% of 56 decks
+2% synergy
Boros Signet
11% of 56 decks
-13% synergy
Talisman of Conviction
10% of 51 decks
-13% synergy
Selesnya Signet
9% of 56 decks
+0% synergy
Thought Vessel
7% of 56 decks
-10% synergy
Lands
Command Tower
93% of 56 decks
+19% synergy
Godless Shrine
67% of 12 decks
+26% synergy
Indatha Triome
60% of 10 decks
+29% synergy
Exotic Orchard
59% of 56 decks
+23% synergy
Overgrown Tomb
58% of 12 decks
+16% synergy
Ziatora's Proving Ground
56% of 9 decks
+24% synergy
Temple Garden
54% of 56 decks
+13% synergy
Jetmir's Garden
52% of 46 decks
+19% synergy
Stomping Ground
52% of 56 decks
+10% synergy
Blood Crypt
50% of 12 decks
+11% synergy
Sacred Foundry
46% of 56 decks
+10% synergy
Jungle Shrine
45% of 56 decks
+13% synergy
Canopy Vista
43% of 56 decks
+7% synergy
Arid Mesa
39% of 56 decks
+29% synergy
Cinder Glade
39% of 56 decks
+1% synergy
Lush Portico
35% of 17 decks
+23% synergy
Savage Lands
33% of 12 decks
+10% synergy
Wooded Foothills
32% of 56 decks
+22% synergy
Windswept Heath
30% of 56 decks
+20% synergy
Savai Triome
30% of 10 decks
+3% synergy
Commercial District
29% of 17 decks
+17% synergy
Mana Confluence
27% of 56 decks
+19% synergy
Sunpetal Grove
27% of 56 decks
+3% synergy
Evolving Wilds
25% of 56 decks
+4% synergy
Spire Garden
24% of 55 decks
-1% synergy
Elegant Parlor
24% of 17 decks
+14% synergy
Marsh Flats
23% of 56 decks
+12% synergy
Verdant Catacombs
23% of 56 decks
+12% synergy
Bountiful Promenade
22% of 55 decks
-2% synergy
Mossfire Valley
20% of 56 decks
+9% synergy
Sungrass Prairie
20% of 56 decks
+8% synergy
Rootbound Crag
20% of 56 decks
-4% synergy
Terramorphic Expanse
18% of 56 decks
+2% synergy
Brushland
18% of 56 decks
+2% synergy
Karplusan Forest
18% of 56 decks
+1% synergy
Battlefield Forge
18% of 56 decks
-8% synergy
Spectator Seating
17% of 48 decks
-9% synergy
Rith's Grove
16% of 56 decks
+14% synergy
Reflecting Pool
16% of 56 decks
+11% synergy
City of Brass
16% of 56 decks
+8% synergy
Rugged Prairie
16% of 56 decks
+6% synergy
Scalding Tarn
16% of 56 decks
+5% synergy
Misty Rainforest
16% of 56 decks
+4% synergy
Selesnya Sanctuary
16% of 56 decks
+2% synergy
Gruul Turf
16% of 56 decks
+0% synergy
Wooded Ridgeline
15% of 39 decks
+10% synergy
Game Trail
14% of 56 decks
-2% synergy
Sacred Peaks
13% of 39 decks
+8% synergy
Rockfall Vale
13% of 47 decks
-9% synergy
Naya Panorama
12% of 56 decks
+12% synergy