Colfenor, the Last Yew
Gutter Grime
Viscera Seer

   Prerequisites

What do I need to start this combo?
Creature castable for 0 in hand.
All other permanents on the battlefield.
Gutter Grime has slime counters on it at least equal to the toughness of the creature card in your hand.

   Steps

How does this combo work?
1
Cast the creature card in your hand by paying 0.
2
Either that creature dies as a state-based action due to having zero toughness, or activate Viscera Seer by sacrificing that creature.
3
Gutter Grime triggers, putting a slime counter on it and creating a X/X Ooze creature token.
4
Activate Viscera Seer by sacrificing the Ooze.
5
When the Ooze dies, Colfenor triggers, returning the creature card from your graveyard to your hand.
6
Resolve the Viscera Seer abilities, scrying 1 each time.
7
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite scry 1
Infinite storm count
Infinite creature tokens that are infinitely large
Spore Frog
62%inclusion16 decks26 decks
57%synergy
Sakura-Tribe Elder
73%inclusion19 decks26 decks
53%synergy
Pawn of Ulamog
54%inclusion14 decks26 decks
53%synergy
Moldervine Reclamation
58%inclusion15 decks26 decks
52%synergy
Carrion Feeder
58%inclusion15 decks26 decks
51%synergy
Pitiless Plunderer
54%inclusion14 decks26 decks
50%synergy
Umbral Collar Zealot
50%inclusion6 decks12 decks
47%synergy
Eternal Witness
65%inclusion17 decks26 decks
47%synergy
Ashnod's Altar
54%inclusion14 decks26 decks
43%synergy
Stonecoil Serpent
42%inclusion11 decks26 decks
42%synergy
Top Cards
Zulaport Cutthroat
46%inclusion12 decks26 decks
39%synergy
Hangarback Walker
42%inclusion11 decks26 decks
42%synergy
Reclamation Sage
42%inclusion11 decks26 decks
38%synergy
Blood Artist
42%inclusion11 decks26 decks
34%synergy
Endless One
38%inclusion10 decks26 decks
38%synergy
Sifter of Skulls
38%inclusion10 decks26 decks
38%synergy
Midnight Reaper
38%inclusion10 decks26 decks
37%synergy
Teysa Karlov
38%inclusion10 decks26 decks
36%synergy
Grim Haruspex
38%inclusion10 decks26 decks
36%synergy
Phyrexian Altar
38%inclusion10 decks26 decks
34%synergy
Creatures
Beast Whisperer
38%inclusion10 decks26 decks
31%synergy
Elas il-Kor, Sadistic Pilgrim
38%inclusion10 decks26 decks
28%synergy
Farhaven Elf
35%inclusion9 decks26 decks
33%synergy
Solemn Simulacrum
35%inclusion9 decks26 decks
31%synergy
Cruel Celebrant
35%inclusion9 decks26 decks
30%synergy
Anafenza, Unyielding Lineage
31%inclusion5 decks16 decks
30%synergy
Ugin's Conjurant
31%inclusion8 decks26 decks
31%synergy
Foundation Breaker
31%inclusion8 decks26 decks
30%synergy
Wood Elves
31%inclusion8 decks26 decks
27%synergy
Spinner of Souls
29%inclusion6 decks21 decks
28%synergy
Marketback Walker
28%inclusion5 decks18 decks
27%synergy
Agent Venom
27%inclusion3 decks11 decks
27%synergy
Willow Geist
27%inclusion7 decks26 decks
26%synergy
Tormod, the Desecrator
27%inclusion7 decks26 decks
26%synergy
Accursed Marauder
27%inclusion7 decks26 decks
24%synergy
Morbid Opportunist
27%inclusion7 decks26 decks
24%synergy
Honest Rutstein
27%inclusion7 decks26 decks
23%synergy
Bartolomé del Presidio
27%inclusion7 decks26 decks
23%synergy
Luminous Broodmoth
27%inclusion7 decks26 decks
22%synergy
Haywire Mite
27%inclusion7 decks26 decks
21%synergy
Llanowar Elves
27%inclusion7 decks26 decks
15%synergy
Birds of Paradise
27%inclusion7 decks26 decks
-6%synergy
Memnite
23%inclusion6 decks26 decks
23%synergy
Viridian Emissary
23%inclusion6 decks26 decks
23%synergy
Ornithopter
23%inclusion6 decks26 decks
23%synergy
Smothering Abomination
23%inclusion6 decks26 decks
23%synergy
Shriekmaw
23%inclusion6 decks26 decks
22%synergy
Plaguecrafter
23%inclusion6 decks26 decks
21%synergy
Syr Konrad, the Grim
23%inclusion6 decks26 decks
18%synergy
Wight of the Reliquary
23%inclusion6 decks26 decks
12%synergy
Elves of Deep Shadow
23%inclusion6 decks26 decks
12%synergy
Avacyn's Pilgrim
23%inclusion6 decks26 decks
8%synergy
Dawntreader Elk
19%inclusion5 decks26 decks
19%synergy
Caustic Caterpillar
19%inclusion5 decks26 decks
19%synergy
Butcher of Malakir
19%inclusion5 decks26 decks
18%synergy
Fertilid
19%inclusion5 decks26 decks
17%synergy
Knight of Autumn
19%inclusion5 decks26 decks
17%synergy
Walking Ballista
19%inclusion5 decks26 decks
16%synergy
Saffi Eriksdotter
19%inclusion5 decks26 decks
16%synergy
Reveillark
19%inclusion5 decks26 decks
16%synergy
Corpse Knight
19%inclusion5 decks26 decks
15%synergy
Faeburrow Elder
19%inclusion5 decks26 decks
5%synergy
Insidious Fungus
17%inclusion4 decks24 decks
14%synergy
Shambling Ghast
15%inclusion4 decks26 decks
15%synergy
Blood Pet
15%inclusion4 decks26 decks
15%synergy
Bloodthrone Vampire
15%inclusion4 decks26 decks
15%synergy
Demon's Disciple
15%inclusion4 decks26 decks
15%synergy
Dimir House Guard
15%inclusion4 decks26 decks
15%synergy
Harvester of Souls
15%inclusion4 decks26 decks
15%synergy
Fleshbag Marauder
15%inclusion4 decks26 decks
15%synergy
Instants
Swords to Plowshares
35%inclusion9 decks26 decks
-29%synergy
Path to Exile
23%inclusion6 decks26 decks
-24%synergy
Beast Within
19%inclusion5 decks26 decks
-3%synergy
Anguished Unmaking
19%inclusion5 decks26 decks
-18%synergy
Mythos of Nethroi
12%inclusion3 decks26 decks
7%synergy
Putrefy
12%inclusion3 decks26 decks
3%synergy
Sorceries
Cultivate
23%inclusion6 decks26 decks
-17%synergy
Rampant Growth
19%inclusion5 decks26 decks
-7%synergy
Dusk // Dawn
15%inclusion4 decks26 decks
2%synergy
Primal Growth
12%inclusion3 decks26 decks
11%synergy
Vanquish the Horde
12%inclusion3 decks26 decks
10%synergy
Diabolic Tutor
12%inclusion3 decks26 decks
9%synergy
Sign in Blood
12%inclusion3 decks26 decks
9%synergy
Wrath of God
12%inclusion3 decks26 decks
8%synergy
Damn
12%inclusion3 decks26 decks
-1%synergy
Kodama's Reach
12%inclusion3 decks26 decks
-10%synergy
Toxic Deluge
12%inclusion3 decks26 decks
-11%synergy
Utility Artifacts
Skullclamp
38%inclusion10 decks26 decks
26%synergy
Desecrated Tomb
31%inclusion8 decks26 decks
30%synergy
Altar of Dementia
23%inclusion6 decks26 decks
19%synergy
Spawning Pit
12%inclusion3 decks26 decks
11%synergy
Blasting Station
12%inclusion3 decks26 decks
11%synergy
Enchantments
Insidious Roots
38%inclusion10 decks26 decks
30%synergy
Fecundity
35%inclusion9 decks26 decks
34%synergy
Bastion of Remembrance
31%inclusion8 decks26 decks
27%synergy
Abzan Ascendancy
31%inclusion8 decks26 decks
26%synergy
Evolutionary Leap
23%inclusion6 decks26 decks
22%synergy
Fanatical Devotion
19%inclusion5 decks26 decks
19%synergy
Death's Oasis
19%inclusion5 decks26 decks
17%synergy
Spidersilk Armor
19%inclusion5 decks26 decks
16%synergy
Mirari's Wake
19%inclusion5 decks26 decks
11%synergy
Ripples of Undeath
19%inclusion5 decks26 decks
7%synergy
Enduring Renewal
15%inclusion4 decks26 decks
15%synergy
Open the Graves
15%inclusion4 decks26 decks
15%synergy
Builder's Blessing
15%inclusion4 decks26 decks
15%synergy
Golgari Germination
15%inclusion4 decks26 decks
15%synergy
Death's Presence
15%inclusion4 decks26 decks
15%synergy
Guardian Project
15%inclusion4 decks26 decks
8%synergy
Parapet
12%inclusion3 decks26 decks
11%synergy
Blight Mound
12%inclusion3 decks26 decks
11%synergy
Chalk Outline
12%inclusion3 decks26 decks
11%synergy
Leyline of Vitality
12%inclusion3 decks26 decks
11%synergy
Black Market
12%inclusion3 decks26 decks
11%synergy
Vampiric Rites
12%inclusion3 decks26 decks
10%synergy
Chthonian Nightmare
12%inclusion3 decks26 decks
10%synergy
Greater Good
12%inclusion3 decks26 decks
8%synergy
Cathars' Crusade
12%inclusion3 decks26 decks
7%synergy
Artifacts
Sol Ring
42%inclusion11 decks26 decks
-36%synergy
Skullclamp
38%inclusion10 decks26 decks
26%synergy
Desecrated Tomb
31%inclusion8 decks26 decks
30%synergy
Altar of Dementia
23%inclusion6 decks26 decks
19%synergy
Arcane Signet
23%inclusion6 decks26 decks
-43%synergy
Tangleroot
15%inclusion4 decks26 decks
15%synergy
Spawning Pit
12%inclusion3 decks26 decks
11%synergy
Blasting Station
12%inclusion3 decks26 decks
11%synergy
Utility Lands
Bojuka Bog
38%inclusion10 decks26 decks
4%synergy
High Market
27%inclusion7 decks26 decks
23%synergy
Urborg, Tomb of Yawgmoth
27%inclusion7 decks26 decks
9%synergy
Yavimaya, Cradle of Growth
27%inclusion7 decks26 decks
3%synergy
Phyrexian Tower
23%inclusion6 decks26 decks
13%synergy
Grim Backwoods
15%inclusion4 decks26 decks
13%synergy
Cabal Coffers
15%inclusion4 decks26 decks
11%synergy
Temple of the False God
15%inclusion4 decks26 decks
11%synergy
Reliquary Tower
15%inclusion4 decks26 decks
-2%synergy
Boseiju, Who Endures
12%inclusion3 decks26 decks
-8%synergy
Mana Artifacts
Sol Ring
42%inclusion11 decks26 decks
-36%synergy
Arcane Signet
23%inclusion6 decks26 decks
-43%synergy
Tangleroot
15%inclusion4 decks26 decks
15%synergy
Lands
Command Tower
92%inclusion24 decks26 decks
2%synergy
Woodland Cemetery
65%inclusion17 decks26 decks
18%synergy
Exotic Orchard
62%inclusion16 decks26 decks
6%synergy
Sunpetal Grove
58%inclusion15 decks26 decks
14%synergy
Isolated Chapel
58%inclusion15 decks26 decks
13%synergy
Caves of Koilos
46%inclusion12 decks26 decks
18%synergy
Llanowar Wastes
46%inclusion12 decks26 decks
17%synergy
Sandsteppe Citadel
46%inclusion12 decks26 decks
-7%synergy
Evolving Wilds
38%inclusion10 decks26 decks
9%synergy
Brushland
35%inclusion9 decks26 decks
6%synergy
Indatha Triome
35%inclusion9 decks26 decks
-5%synergy
Canopy Vista
35%inclusion9 decks26 decks
-10%synergy
Godless Shrine
35%inclusion9 decks26 decks
-12%synergy
Overgrown Tomb
35%inclusion9 decks26 decks
-13%synergy
Temple Garden
31%inclusion8 decks26 decks
-17%synergy
Terramorphic Expanse
27%inclusion7 decks26 decks
13%synergy
Murmuring Bosk
27%inclusion7 decks26 decks
9%synergy
Vault of Champions
27%inclusion7 decks26 decks
2%synergy
Krosan Verge
23%inclusion6 decks26 decks
14%synergy
Orzhov Basilica
23%inclusion6 decks26 decks
10%synergy
Selesnya Sanctuary
23%inclusion6 decks26 decks
9%synergy
Necroblossom Snarl
23%inclusion6 decks26 decks
7%synergy
Temple of Silence
23%inclusion6 decks26 decks
7%synergy
Lush Portico
23%inclusion6 decks26 decks
4%synergy
Path of Ancestry
23%inclusion6 decks26 decks
-5%synergy
Undergrowth Stadium
23%inclusion6 decks26 decks
-6%synergy
Deathcap Glade
19%inclusion5 decks26 decks
4%synergy
Shadowy Backstreet
19%inclusion5 decks26 decks
3%synergy
Golgari Rot Farm
19%inclusion5 decks26 decks
3%synergy
Temple of Malady
19%inclusion5 decks26 decks
2%synergy
Underground Mortuary
19%inclusion5 decks26 decks
1%synergy
Deceptive Landscape
19%inclusion5 decks26 decks
-5%synergy
Overgrown Farmland
19%inclusion5 decks26 decks
-6%synergy
Bountiful Promenade
19%inclusion5 decks26 decks
-7%synergy
Tainted Wood
15%inclusion4 decks26 decks
7%synergy
Myriad Landscape
15%inclusion4 decks26 decks
7%synergy
Fabled Passage
15%inclusion4 decks26 decks
2%synergy
Shineshadow Snarl
15%inclusion4 decks26 decks
-0%synergy
Windswept Heath
15%inclusion4 decks26 decks
-21%synergy
Thriving Moor
12%inclusion3 decks26 decks
10%synergy
Thriving Heath
12%inclusion3 decks26 decks
10%synergy
Selesnya Guildgate
12%inclusion3 decks26 decks
10%synergy
Reflecting Pool
12%inclusion3 decks26 decks
6%synergy
Tainted Field
12%inclusion3 decks26 decks
4%synergy
Blossoming Sands
12%inclusion3 decks26 decks
4%synergy
Scoured Barrens
12%inclusion3 decks26 decks
-1%synergy
Shattered Sanctum
12%inclusion3 decks26 decks
-2%synergy
Temple of Plenty
12%inclusion3 decks26 decks
-5%synergy
Fortified Village
12%inclusion3 decks26 decks
-12%synergy
Marsh Flats
12%inclusion3 decks26 decks
-21%synergy