Nadir Kraken + Dire Undercurrents + Ashnod's Altar
Nadir Kraken
Dire Undercurrents
Ashnod's Altar
Requires
Nadir Kraken must be on the battlefield.
Dire Undercurrents must be on the battlefield.
Ashnod's Altar must be on the battlefield.
You have a way to draw a card.
Mana needed: 
Steps
- Draw a card.
- Nadir Kraken triggers, causing you to pay to put a +1/+1 counter on Nadir Kraken and create a 1/1 Tentacle creature token.
- The Tentacle enters the battlefield, triggering Dire Undercurrents' first ability.
- Holding priority, activate Ashnod's Altar by sacrificing the Tentacle, adding .
- Resolve the Dire Undercurrents trigger, causing you to draw a card.
- Repeat from step 2.
Results
Infinite card draw. Infinite draw triggers. Near-infinite +1/+1 counters on Nadir Kraken. Near-infinite colorless mana. Near-infinite death triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite sacrifice triggers.
Runo Stromkirk
0.09% of 4534 decks
4 decks
Eloise, Nephalia Sleuth
0.14% of 1406 decks
2 decks
Kels, Fight Fixer
0.29% of 678 decks
2 decks
Talion, the Kindly Lord
0.01% of 6762 decks
1 decks
Marneus Calgar
0.01% of 10528 decks
1 decks
Circu, Dimir Lobotomist
0.18% of 542 decks
1 decks
Thraximundar
0.05% of 1957 decks
1 decks
Alela, Artful Provocateur
0.01% of 12216 decks
1 decks
Zur the Enchanter
0.01% of 11214 decks
1 decks
Queza, Augur of Agonies
0.02% of 6473 decks
1 decks
High Synergy Cards
The Watcher in the Water
50% of 10 decks
+49% synergy
Chasm Skulker
47% of 15 decks
+43% synergy
Phyrexian Altar
47% of 15 decks
+43% synergy
Victimize
47% of 15 decks
+35% synergy
Skullclamp
47% of 15 decks
+34% synergy
Rhystic Study
60% of 15 decks
+32% synergy
Reliquary Tower
60% of 15 decks
+30% synergy
Bitterblossom
33% of 15 decks
+29% synergy
The Golden Throne
29% of 14 decks
+28% synergy
Braids, Arisen Nightmare
36% of 14 decks
+28% synergy
Top Cards
Counterspell
53% of 15 decks
+10% synergy
Swiftfoot Boots
40% of 15 decks
+12% synergy
Pitiless Plunderer
33% of 15 decks
+26% synergy
Solemn Simulacrum
33% of 15 decks
+19% synergy
Reanimate
33% of 15 decks
+18% synergy
Mind Stone
33% of 15 decks
+16% synergy
Cyclonic Rift
33% of 15 decks
+6% synergy
Deep-Sea Kraken
27% of 15 decks
+26% synergy
Ethereal Investigator
27% of 15 decks
+25% synergy
Smothering Abomination
27% of 15 decks
+25% synergy
Creatures
Mentor of the Meek
75% of 4 decks
+69% synergy
Stormtide Leviathan
27% of 15 decks
+25% synergy
Ophiomancer
27% of 15 decks
+24% synergy
Hullbreaker Horror
27% of 15 decks
+19% synergy
Baleful Strix
27% of 15 decks
+14% synergy
Alandra, Sky Dreamer
25% of 12 decks
+23% synergy
Overeager Apprentice
20% of 15 decks
+20% synergy
Reservoir Kraken
20% of 15 decks
+20% synergy
Shipbreaker Kraken
20% of 15 decks
+19% synergy
Serpent of Yawning Depths
20% of 15 decks
+19% synergy
Spawning Kraken
20% of 15 decks
+19% synergy
Wrexial, the Risen Deep
20% of 15 decks
+18% synergy
Gyruda, Doom of Depths
20% of 15 decks
+18% synergy
Scourge of Fleets
20% of 15 decks
+18% synergy
Nemesis of Reason
20% of 15 decks
+18% synergy
Pawn of Ulamog
20% of 15 decks
+18% synergy
Jadar, Ghoulcaller of Nephalia
20% of 15 decks
+17% synergy
Wonder
20% of 15 decks
+17% synergy
Glasspool Mimic
20% of 15 decks
+17% synergy
Yawgmoth, Thran Physician
20% of 15 decks
+16% synergy
Nadier's Nightblade
20% of 15 decks
+16% synergy
Reassembling Skeleton
20% of 15 decks
+16% synergy
Burnished Hart
20% of 15 decks
+16% synergy
Notion Thief
20% of 15 decks
+13% synergy
Instants
Mana Drain
33% of 15 decks
+18% synergy
Arcane Denial
27% of 15 decks
+7% synergy
Thirst for Discovery
20% of 15 decks
+19% synergy
Culling the Weak
20% of 15 decks
+16% synergy
Village Rites
20% of 15 decks
+10% synergy
Deadly Rollick
20% of 15 decks
+9% synergy
Frantic Search
20% of 15 decks
+8% synergy
Dark Ritual
20% of 15 decks
-2% synergy
Sorceries
Damnation
20% of 15 decks
+12% synergy
Toxic Deluge
20% of 15 decks
+3% synergy
Feed the Swarm
20% of 15 decks
+2% synergy
Utility Artifacts
Lightning Greaves
27% of 15 decks
+1% synergy
Tamiyo's Journal
20% of 15 decks
+19% synergy
Bident of Thassa
20% of 15 decks
+14% synergy
Enchantments
Ominous Seas
27% of 15 decks
+24% synergy
Teferi's Ageless Insight
27% of 15 decks
+22% synergy
Vampiric Rites
20% of 15 decks
+17% synergy
Phyrexian Reclamation
20% of 15 decks
+16% synergy
Grave Pact
20% of 15 decks
+16% synergy
Black Market
20% of 15 decks
+15% synergy
Bastion of Remembrance
20% of 15 decks
+14% synergy
Planeswalkers
Tevesh Szat, Doom of Fools
20% of 15 decks
+19% synergy
Utility Lands
Bojuka Bog
47% of 15 decks
+16% synergy
Rogue's Passage
33% of 15 decks
+14% synergy
High Market
27% of 15 decks
+24% synergy
Mortuary Mire
27% of 15 decks
+22% synergy
Urborg, Tomb of Yawgmoth
27% of 15 decks
+17% synergy
Takenuma, Abandoned Mire
27% of 15 decks
+16% synergy
Mystic Sanctuary
27% of 15 decks
+14% synergy
Otawara, Soaring City
27% of 15 decks
+10% synergy
Westvale Abbey
20% of 15 decks
+18% synergy
Thespian's Stage
20% of 15 decks
+17% synergy
Phyrexian Tower
20% of 15 decks
+11% synergy
Mana Artifacts
Sol Ring
80% of 15 decks
-4% synergy
Arcane Signet
60% of 15 decks
-12% synergy
Dimir Signet
40% of 15 decks
+10% synergy
Talisman of Dominance
40% of 15 decks
+9% synergy
Fellwar Stone
33% of 15 decks
+12% synergy
Thought Vessel
27% of 15 decks
+10% synergy
Lands
Command Tower
80% of 15 decks
+6% synergy
Sunken Hollow
67% of 15 decks
+32% synergy
Choked Estuary
53% of 15 decks
+37% synergy
Dimir Aqueduct
53% of 15 decks
+36% synergy
Evolving Wilds
47% of 15 decks
+26% synergy
Drowned Catacomb
47% of 15 decks
+21% synergy
Underground River
40% of 15 decks
+20% synergy
Morphic Pool
40% of 15 decks
+14% synergy
Watery Grave
40% of 15 decks
-1% synergy
Shipwreck Marsh
33% of 15 decks
+14% synergy
Fetid Pools
27% of 15 decks
+21% synergy
Myriad Landscape
27% of 15 decks
+7% synergy
Sunken Ruins
20% of 15 decks
+15% synergy
Tainted Isle
20% of 15 decks
+9% synergy
Polluted Delta
20% of 15 decks
+9% synergy
Darkwater Catacombs
20% of 15 decks
+5% synergy
Terramorphic Expanse
20% of 15 decks
+4% synergy
Temple of Deceit
20% of 15 decks
+4% synergy
Path of Ancestry
20% of 15 decks
-1% synergy