Basri's Lieutenant + Metallic Mimic + Ashnod's Altar

Basri's Lieutenant
Metallic Mimic
Ashnod's Altar

Requires
Basri's Lieutenant must be on the battlefield. Metallic Mimic must be on the battlefield. Ashnod's Altar must be on the battlefield. You control at least one additional creature that has a +1/+1 counter on it. "Knight" chosen with Metallic Mimic.
Steps
  1. Activate Ashnod's Altar by sacrificing another creature with a +1/+1 counter on it, adding .
  2. When the creature dies, Basri's Lieutenant's second ability triggers, creating a 2/2 Knight creature token that enters the battlefield with a +1/+1 counter due to Metallic Mimic.
  3. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Sidar Jabari of Zhalfir
0.11% of 14107 decks 16 decks
Mikaeus, the Lunarch
1.20% of 333 decks 4 decks
Arna Kennerüd, Skycaptain
0.07% of 4158 decks 3 decks
Felisa, Fang of Silverquill
0.12% of 1687 decks 2 decks
Anim Pakal, Thousandth Moon
0.05% of 3712 decks 2 decks
Brimaz, Blight of Oreskos
0.01% of 7968 decks 1 decks
Alharu, Solemn Ritualist // Tormod, the Desecrator
12.50% of 8 decks 1 decks
Mondrak, Glory Dominus
0.04% of 2728 decks 1 decks
Queen Marchesa
0.01% of 12580 decks 1 decks
Cayth, Famed Mechanist
0.07% of 1485 decks 1 decks
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
0.06% of 1755 decks 1 decks
Ghave, Guru of Spores
0.02% of 6440 decks 1 decks
Tobias, Doomed Conqueror
0.76% of 132 decks 1 decks
High Synergy Cards
Goblin Bombardment
100% of 4 decks +94% synergy
Herald of Hoofbeats
76% of 21 decks +75% synergy
Kindred Discovery
71% of 21 decks +64% synergy
Exsanguinator Cavalry
64% of 25 decks +63% synergy
Vodalian Wave-Knight
62% of 21 decks +60% synergy
Cathars' Crusade
63% of 35 decks +57% synergy
Haakon, Stromgald Scourge
58% of 26 decks +57% synergy
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53% of 32 decks +51% synergy
Marshal of Zhalfir
52% of 21 decks +51% synergy
Corpse Knight
54% of 26 decks +48% synergy
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54% of 26 decks +45% synergy
Cyclonic Rift
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Knights' Charge
46% of 26 decks +44% synergy
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46% of 26 decks +40% synergy
Phyrexian Altar
46% of 35 decks +42% synergy
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44% of 9 decks +43% synergy
Roaming Throne
43% of 23 decks +34% synergy
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42% of 26 decks +41% synergy
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Moonshaker Cavalry
39% of 28 decks +35% synergy
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38% of 26 decks +37% synergy
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35% of 26 decks +34% synergy
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35% of 26 decks +30% synergy
Kinsbaile Cavalier
34% of 35 decks +34% synergy
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33% of 21 decks +30% synergy
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32% of 25 decks +31% synergy
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31% of 26 decks +30% synergy
Knight of the Ebon Legion
31% of 26 decks +30% synergy
Ayara's Oathsworn
30% of 23 decks +30% synergy
Valiant Knight
29% of 35 decks +28% synergy
Guardian of Faith
29% of 35 decks +26% synergy
Murderous Rider
27% of 26 decks +25% synergy
Midnight Reaper
27% of 26 decks +23% synergy
Elenda and Azor
26% of 19 decks +23% synergy
Silverwing Squadron
26% of 35 decks +25% synergy
Mirror Entity
26% of 35 decks +21% synergy
Adeline, Resplendent Cathar
26% of 35 decks +20% synergy
Odric's Outrider
23% of 35 decks +23% synergy
Mirkwood Bats
22% of 23 decks +10% synergy
Ethersworn Adjudicator
21% of 19 decks +19% synergy
Abzan Falconer
20% of 35 decks +17% synergy
Esper Sentinel
20% of 35 decks -1% synergy
Viscera Seer
19% of 26 decks +10% synergy
Elas il-Kor, Sadistic Pilgrim
19% of 26 decks +8% synergy
Glasspool Mimic
19% of 21 decks +16% synergy
Bartolomé del Presidio
19% of 21 decks +12% synergy
Mondrak, Glory Dominus
18% of 33 decks +9% synergy
Rosie Cotton of South Lane
17% of 29 decks +13% synergy
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17% of 35 decks +16% synergy
Hero of Bladehold
17% of 35 decks +15% synergy
Mentor of the Meek
17% of 35 decks +11% synergy
Breathless Knight
15% of 26 decks +15% synergy
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15% of 26 decks +15% synergy
Smitten Swordmaster
15% of 26 decks +15% synergy
Carrion Feeder
15% of 26 decks +10% synergy
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15% of 26 decks +8% synergy
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15% of 33 decks +13% synergy
Abzan Battle Priest
14% of 35 decks +13% synergy
Lae'zel, Vlaakith's Champion
14% of 35 decks +11% synergy
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14% of 21 decks +10% synergy
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14% of 21 decks +7% synergy
Forsworn Paladin
12% of 26 decks +11% synergy
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12% of 26 decks +10% synergy
Cruel Celebrant
12% of 26 decks +3% synergy
Crystalline Crawler
11% of 35 decks +11% synergy
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Vampiric Tutor
50% of 26 decks +32% synergy
Counterspell
43% of 21 decks -0% synergy
Entomb
42% of 26 decks +35% synergy
Enlightened Tutor
34% of 35 decks +17% synergy
Despark
27% of 26 decks +11% synergy
Teferi's Protection
26% of 35 decks +6% synergy
Mystical Tutor
24% of 21 decks +9% synergy
Fierce Guardianship
24% of 21 decks +6% synergy
Unbreakable Formation
23% of 35 decks +16% synergy
Generous Gift
23% of 35 decks -3% synergy
Dark Ritual
19% of 26 decks -3% synergy
Mana Drain
19% of 21 decks +4% synergy
An Offer You Can't Refuse
19% of 21 decks -2% synergy
Akroma's Will
17% of 35 decks +8% synergy
Flawless Maneuver
17% of 35 decks +7% synergy
Anguished Unmaking
15% of 26 decks -9% synergy
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14% of 21 decks -9% synergy
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11% of 35 decks +8% synergy
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Lapse of Certainty
9% of 35 decks +8% synergy
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9% of 35 decks +7% synergy
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32% of 19 decks +29% synergy
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17% of 35 decks +17% synergy
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30% of 20 decks +29% synergy
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Bojuka Bog
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12% of 26 decks +1% synergy
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11% of 35 decks +10% synergy
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11% of 35 decks +8% synergy
Karn's Bastion
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Castle Ardenvale
11% of 35 decks +6% synergy
Urza's Saga
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Nesting Grounds
9% of 35 decks +7% synergy
Tyrite Sanctum
9% of 35 decks +7% synergy
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91% of 35 decks +7% synergy
Arcane Signet
83% of 35 decks +11% synergy
Talisman of Conviction
75% of 4 decks +52% synergy
Talisman of Hierarchy
31% of 26 decks +6% synergy
Mind Stone
20% of 35 decks +3% synergy
Fellwar Stone
20% of 35 decks -1% synergy
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19% of 26 decks -8% synergy
Talisman of Progress
19% of 21 decks -4% synergy
Azorius Signet
14% of 21 decks -12% synergy
Mana Vault
11% of 35 decks +5% synergy
Mana Crypt
11% of 35 decks +3% synergy
Thought Vessel
11% of 35 decks -5% synergy
Chrome Mox
9% of 35 decks +2% synergy
Chromatic Lantern
9% of 35 decks -1% synergy
Commander's Sphere
9% of 35 decks -7% synergy
Lands
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100% of 4 decks +74% synergy
Command Tower
80% of 35 decks +6% synergy
Spectator Seating
75% of 4 decks +50% synergy
Clifftop Retreat
75% of 4 decks +46% synergy
Hallowed Fountain
71% of 21 decks +31% synergy
Arcane Sanctum
68% of 19 decks +41% synergy
Morphic Pool
63% of 19 decks +37% synergy
Watery Grave
63% of 19 decks +22% synergy
Sea of Clouds
62% of 21 decks +36% synergy
Godless Shrine
54% of 26 decks +13% synergy
Raffine's Tower
53% of 19 decks +25% synergy
Vault of Champions
50% of 26 decks +24% synergy
Caves of Koilos
42% of 26 decks +14% synergy
Meticulous Archive
40% of 10 decks +30% synergy
Marsh Flats
40% of 35 decks +29% synergy
Exotic Orchard
40% of 35 decks +4% synergy
Shadowy Backstreet
38% of 13 decks +25% synergy
Flooded Strand
37% of 35 decks +27% synergy
Path of Ancestry
37% of 35 decks +16% synergy
Cavern of Souls
34% of 35 decks +27% synergy
Sunken Hollow
32% of 19 decks -3% synergy
Shineshadow Snarl
31% of 26 decks +18% synergy
Polluted Delta
29% of 35 decks +17% synergy
Prairie Stream
29% of 21 decks -5% synergy
Isolated Chapel
27% of 26 decks -1% synergy
Temple of Enlightenment
24% of 21 decks +7% synergy
Orzhov Basilica
23% of 26 decks +7% synergy
Temple of Silence
23% of 26 decks +5% synergy
Myriad Landscape
23% of 35 decks +3% synergy
Evolving Wilds
23% of 35 decks +2% synergy
Temple of Deceit
21% of 19 decks +5% synergy
Scrubland
19% of 26 decks +6% synergy
Hengegate Pathway
19% of 21 decks +12% synergy
Deserted Beach
19% of 21 decks +3% synergy
Glacial Fortress
19% of 21 decks -7% synergy
Reflecting Pool
17% of 35 decks +12% synergy
City of Brass
17% of 35 decks +9% synergy
Terramorphic Expanse
17% of 35 decks +2% synergy
Clearwater Pathway
16% of 19 decks +6% synergy
Underground Sea
16% of 19 decks +2% synergy
Choked Estuary
16% of 19 decks -1% synergy
Shipwreck Marsh
16% of 19 decks -3% synergy
Brightclimb Pathway
15% of 26 decks +5% synergy
Forbidden Orchard
14% of 35 decks +11% synergy
Tundra
14% of 21 decks +0% synergy
Thriving Moor
12% of 26 decks +9% synergy
Concealed Courtyard
12% of 26 decks +6% synergy
Shattered Sanctum
12% of 26 decks -2% synergy
Demolition Field
11% of 35 decks +8% synergy
Plaza of Heroes
11% of 35 decks +8% synergy