Marneus Calgar + Ashnod's Altar + Biomancer's Familiar

Marneus Calgar
Ashnod's Altar
Biomancer's Familiar

Requires
All permanents on the battlefield. 4 available.
Steps
  1. Activate Marneus by paying 4, creating two 2/2 Astartes Warrior creature tokens
  2. The tokens enter the battlefield, triggering Marneus, causing you to draw a card
  3. Activate Ashnod's Altar twice by sacrificing both Astartes Warriors, adding cccc
  4. Repeat
Results
Infinite card draw. Infinite draw triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite death triggers. Near-infinite sacrifice triggers.

Top Commanders (2)
Sliver Queen
0.33% of 1226 decks 4 decks
Kenrith, the Returned King
0.03% of 17221 decks 6 decks
High Synergy Cards (10)
Training Grounds
92% of 13 decks +91% synergy
Zirda, the Dawnwaker
83% of 12 decks +83% synergy
Nature's Lore
62% of 13 decks +48% synergy
Seedborn Muse
46% of 13 decks +42% synergy
Manaweft Sliver
38% of 13 decks +38% synergy
Gemhide Sliver
38% of 13 decks +38% synergy
Cryptolith Rite
38% of 13 decks +36% synergy
Skyshroud Claim
38% of 13 decks +34% synergy
Mana Echoes
33% of 12 decks +33% synergy
Rhystic Study
46% of 13 decks +32% synergy
Top Cards (10)
Swords to Plowshares
54% of 13 decks +26% synergy
Farseek
46% of 13 decks +31% synergy
Cultivate
46% of 13 decks +24% synergy
Heartstone
46% of 13 decks +45% synergy
Eternal Witness
38% of 13 decks +27% synergy
Generous Gift
38% of 13 decks +27% synergy
Adrix and Nev, Twincasters
31% of 13 decks +30% synergy
Parallel Lives
31% of 13 decks +28% synergy
Phyrexian Altar
31% of 13 decks +26% synergy
Fierce Guardianship
31% of 13 decks +22% synergy
Creatures (9)
Blur Sliver
25% of 12 decks +25% synergy
Heart Sliver
25% of 12 decks +25% synergy
Cloudshredder Sliver
25% of 12 decks +24% synergy
Zacama, Primal Calamity
25% of 12 decks +24% synergy
Chatterfang, Squirrel General
23% of 13 decks +22% synergy
Nyxbloom Ancient
23% of 13 decks +21% synergy
Faeburrow Elder
23% of 13 decks +20% synergy
Bloom Tender
23% of 13 decks +19% synergy
Birds of Paradise
23% of 13 decks +11% synergy
Instants (9)
Teferi's Protection
31% of 13 decks +21% synergy
An Offer You Can't Refuse
31% of 13 decks +21% synergy
Vampiric Tutor
31% of 13 decks +21% synergy
Heroic Intervention
31% of 13 decks +18% synergy
Cyclonic Rift
31% of 13 decks +16% synergy
Beast Within
31% of 13 decks +11% synergy
Counterspell
31% of 13 decks +9% synergy
Anguished Unmaking
23% of 13 decks +17% synergy
Path to Exile
23% of 13 decks +5% synergy
Sorceries (4)
Three Visits
46% of 13 decks +35% synergy
Demonic Tutor
46% of 13 decks +33% synergy
Rampant Growth
31% of 13 decks +14% synergy
Kodama's Reach
23% of 13 decks +7% synergy
Utility Artifacts (2)
Lightning Greaves
31% of 13 decks +5% synergy
Swiftfoot Boots
31% of 13 decks +2% synergy
Enchantments (8)
Smothering Tithe
31% of 13 decks +19% synergy
Impact Tremors
25% of 12 decks +21% synergy
Freed from the Real
23% of 13 decks +22% synergy
Wilderness Reclamation
23% of 13 decks +21% synergy
Mirari's Wake
23% of 13 decks +19% synergy
Doubling Season
23% of 13 decks +19% synergy
Anointed Procession
23% of 13 decks +19% synergy
Black Market Connections
23% of 13 decks +17% synergy
Utility Lands (1)
Mana Artifacts (5)
Sol Ring
69% of 13 decks -15% synergy
Arcane Signet
54% of 13 decks -15% synergy
Chromatic Lantern
54% of 13 decks +44% synergy
Basalt Monolith
23% of 13 decks +20% synergy
Fellwar Stone
23% of 13 decks +2% synergy
Lands (39)
Command Tower
85% of 13 decks +12% synergy
Stomping Ground
67% of 12 decks +57% synergy
Temple Garden
62% of 13 decks +52% synergy
Breeding Pool
62% of 13 decks +52% synergy
Overgrown Tomb
62% of 13 decks +52% synergy
Exotic Orchard
54% of 13 decks +20% synergy
Spara's Headquarters
54% of 13 decks +49% synergy
Godless Shrine
54% of 13 decks +44% synergy
Marsh Flats
54% of 13 decks +42% synergy
The World Tree
50% of 12 decks +47% synergy
Hallowed Fountain
46% of 13 decks +37% synergy
Windswept Heath
46% of 13 decks +36% synergy
Arid Mesa
46% of 13 decks +35% synergy
Verdant Catacombs
46% of 13 decks +34% synergy
Ziatora's Proving Ground
42% of 12 decks +38% synergy
Jetmir's Garden
42% of 12 decks +37% synergy
Wooded Foothills
38% of 13 decks +29% synergy
Bloodstained Mire
38% of 13 decks +28% synergy
Watery Grave
38% of 13 decks +28% synergy
Polluted Delta
38% of 13 decks +27% synergy
Scalding Tarn
38% of 13 decks +27% synergy
Misty Rainforest
38% of 13 decks +26% synergy
Indatha Triome
38% of 13 decks +35% synergy
Raffine's Tower
38% of 13 decks +34% synergy
Bountiful Promenade
38% of 13 decks +33% synergy
Ketria Triome
33% of 12 decks +30% synergy
Xander's Lounge
33% of 12 decks +29% synergy
Sacred Foundry
33% of 12 decks +25% synergy
Steam Vents
33% of 12 decks +24% synergy
Sea of Clouds
31% of 13 decks +25% synergy
Morphic Pool
31% of 13 decks +24% synergy
Flooded Strand
31% of 13 decks +20% synergy
Spire Garden
25% of 12 decks +20% synergy
Blood Crypt
25% of 12 decks +16% synergy
Scattered Groves
23% of 13 decks +22% synergy
Zagoth Triome
23% of 13 decks +19% synergy
Reflecting Pool
23% of 13 decks +18% synergy
Rejuvenating Springs
23% of 13 decks +17% synergy
Mana Confluence
23% of 13 decks +15% synergy