Ulasht, the Hate Seed + Mazirek, Kraul Death Priest + Phyrexian Altar
Ulasht, the Hate Seed
Mazirek, Kraul Death Priest
Phyrexian Altar
Requires
Ulasht, the Hate Seed must be on the battlefield.
Mazirek, Kraul Death Priest must be on the battlefield.
Phyrexian 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.
- Activate Phyrexian Altar by sacrificing the Saproling, adding .
- Mazirek triggers, putting a +1/+1 counter on each creature you control.
- Repeat.
Results
Infinite +1/+1 creatures on all creatures you control except Ulasht. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.
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Cemetery Tampering
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Beastmaster Ascension
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Sneak Attack
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10% of 51 decks
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40% of 52 decks
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+9% synergy
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31% of 52 decks
+25% synergy
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25% of 52 decks
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17% of 52 decks
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Takenuma, Abandoned Mire
14% of 51 decks
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Boseiju, Who Endures
12% of 51 decks
-10% synergy
Kessig Wolf Run
12% of 52 decks
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Oran-Rief, the Vastwood
10% of 52 decks
+9% synergy
Rogue's Passage
10% of 52 decks
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The Shire
9% of 33 decks
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Karn's Bastion
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Mortuary Mire
8% of 52 decks
+5% synergy
Grim Backwoods
8% of 52 decks
+5% synergy
Cabal Coffers
8% of 52 decks
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Westvale Abbey
6% of 52 decks
+4% synergy
Raging Ravine
6% of 52 decks
+3% synergy
Gaea's Cradle
6% of 52 decks
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Kher Keep
6% of 52 decks
+2% synergy
Dakmor Salvage
6% of 52 decks
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Mana Artifacts
Sol Ring
83% of 52 decks
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Arcane Signet
63% of 52 decks
-6% synergy
Golgari Signet
19% of 52 decks
+6% synergy
Commander's Sphere
17% of 52 decks
+5% synergy
Gruul Signet
12% of 52 decks
-2% synergy
Chromatic Lantern
10% of 52 decks
+2% synergy
Rakdos Signet
8% of 52 decks
-5% synergy
Thought Vessel
6% of 52 decks
+1% synergy
Lands
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96% of 52 decks
+6% synergy
Savage Lands
62% of 52 decks
+13% synergy
Ziatora's Proving Ground
61% of 51 decks
+7% synergy
Stomping Ground
58% of 52 decks
+7% synergy
Cinder Glade
56% of 52 decks
+10% synergy
Overgrown Tomb
56% of 52 decks
+6% synergy
Woodland Cemetery
52% of 52 decks
+22% synergy
Dragonskull Summit
50% of 52 decks
+21% synergy
Smoldering Marsh
50% of 52 decks
+9% synergy
Twisted Landscape
50% of 8 decks
+7% synergy
Blood Crypt
48% of 52 decks
+1% synergy
Rootbound Crag
46% of 52 decks
+19% synergy
Exotic Orchard
46% of 52 decks
-4% synergy
Rockfall Vale
45% of 51 decks
+18% synergy
Llanowar Wastes
44% of 52 decks
+20% synergy
Underground Mortuary
40% of 10 decks
+18% synergy
Undergrowth Stadium
39% of 51 decks
+4% synergy
Spire Garden
38% of 52 decks
+6% synergy
Verdant Catacombs
35% of 52 decks
-2% synergy
Viridescent Bog
33% of 9 decks
+24% synergy
Riveteers Overlook
33% of 51 decks
+7% synergy
Luxury Suite
33% of 52 decks
+1% synergy
Deathcap Glade
31% of 51 decks
+15% synergy
Raucous Theater
30% of 10 decks
+9% synergy
Commercial District
30% of 10 decks
+8% synergy
Sulfurous Springs
29% of 52 decks
+13% synergy
Temple of Malady
27% of 52 decks
+10% synergy
Karplusan Forest
25% of 52 decks
+7% synergy
Evolving Wilds
25% of 52 decks
-5% synergy
Bloodstained Mire
25% of 52 decks
-9% synergy
Terramorphic Expanse
23% of 52 decks
-1% synergy
Path of Ancestry
21% of 52 decks
+4% synergy
Wooded Foothills
21% of 52 decks
-13% synergy
Temple of Abandon
19% of 52 decks
+7% synergy
Haunted Ridge
18% of 51 decks
+3% synergy
Temple of Malice
17% of 52 decks
+7% synergy
Golgari Rot Farm
17% of 52 decks
+2% synergy
Myriad Landscape
17% of 52 decks
-1% synergy
Haunted Mire
16% of 50 decks
+9% synergy
Darkbore Pathway
16% of 51 decks
+8% synergy
Geothermal Bog
14% of 50 decks
+10% synergy
Blightstep Pathway
14% of 51 decks
+7% synergy
Foreboding Ruins
13% of 52 decks
+3% synergy
Badlands
13% of 52 decks
+0% synergy
Taiga
13% of 52 decks
+0% synergy
Bayou
13% of 52 decks
+0% synergy
Fabled Passage
13% of 52 decks
-5% synergy
Blackcleave Cliffs
12% of 52 decks
+8% synergy
Reflecting Pool
12% of 52 decks
+6% synergy
Cragcrown Pathway
12% of 52 decks
+4% synergy