Enduring Scalelord
Undercover Operative
Cathars' Crusade

   Prerequisites

What do I need to start this combo?
Undercover Operative in hand.
Enduring Scalelord and Cathars' Crusade on the battlefield.
2 available

   Steps

How does this combo work?
1
Cast Undercover Operative by paying 2, choosing to have it enter the battlefield as a copy of Enduring Scalelord.
2
Undercover Operative enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each creature you control.
3
Enduring Scalelord and Undercover Operative triggers.
4
Resolve the Undercover Operative trigger, putting a +1/+1 counter on itself.
5
Enduring Scalelord triggers, putting a +1/+1 counter on itself.
6
Repeat from step 4.

   Results

What do I get from this combo?
Infinite +1/+1 counters on certain creatures
Falco Spara, Pactweaver
0.0%inclusion2 decks4.54K decks
Helga, Skittish Seer
0.0%inclusion1 decks14.3K decks
Creatures
Altered Ego
100%inclusion3 decks3 decks
98%synergy
Forgotten Ancient
100%inclusion3 decks3 decks
83%synergy
Vorel of the Hull Clade
100%inclusion3 decks3 decks
98%synergy
Kalonian Hydra
67%inclusion2 decks3 decks
59%synergy
Conclave Mentor
67%inclusion2 decks3 decks
64%synergy
Botanical Brawler
67%inclusion2 decks3 decks
66%synergy
Cloudfin Raptor
67%inclusion2 decks3 decks
66%synergy
Sovereign Okinec Ahau
67%inclusion2 decks3 decks
65%synergy
Master Biomancer
67%inclusion2 decks3 decks
63%synergy
Sunscorch Regent
67%inclusion2 decks3 decks
61%synergy
Longshot Squad
67%inclusion2 decks3 decks
66%synergy
Ainok Bond-Kin
67%inclusion2 decks3 decks
65%synergy
Basking Broodscale
67%inclusion2 decks3 decks
65%synergy
Abzan Falconer
67%inclusion2 decks3 decks
64%synergy
Sage of Hours
67%inclusion2 decks3 decks
66%synergy
Rishkar, Peema Renegade
67%inclusion2 decks3 decks
58%synergy
Bane of Progress
67%inclusion2 decks3 decks
64%synergy
Managorger Hydra
67%inclusion2 decks3 decks
59%synergy
Armorcraft Judge
67%inclusion2 decks3 decks
66%synergy
Experiment One
67%inclusion2 decks3 decks
67%synergy
Tuskguard Captain
67%inclusion2 decks3 decks
66%synergy
Undergrowth Champion
67%inclusion2 decks3 decks
67%synergy
Evolution Witness
67%inclusion2 decks3 decks
58%synergy
Temperamental Oozewagg
67%inclusion2 decks3 decks
66%synergy
Elite Scaleguard
67%inclusion2 decks3 decks
67%synergy
Koma, World-Eater
50%inclusion1 decks2 decks
46%synergy
Zimone, Paradox Sculptor
50%inclusion1 decks2 decks
45%synergy
Beast Whisperer
33%inclusion1 decks3 decks
23%synergy
Bloom Hulk
33%inclusion1 decks3 decks
33%synergy
Cragplate Baloth
33%inclusion1 decks3 decks
33%synergy
Craterhoof Behemoth
33%inclusion1 decks3 decks
27%synergy
Crowned Ceratok
33%inclusion1 decks3 decks
33%synergy
Gargoyle Flock
33%inclusion1 decks3 decks
33%synergy
Garruk's Horde
33%inclusion1 decks3 decks
33%synergy
Garruk's Packleader
33%inclusion1 decks3 decks
33%synergy
Herald of Secret Streams
33%inclusion1 decks3 decks
27%synergy
Imoti, Celebrant of Bounty
33%inclusion1 decks3 decks
30%synergy
Moonshaker Cavalry
33%inclusion1 decks3 decks
30%synergy
Mother of Runes
33%inclusion1 decks3 decks
31%synergy
Murkfiend Liege
33%inclusion1 decks3 decks
32%synergy
Psychosis Crawler
33%inclusion1 decks3 decks
26%synergy
Rashmi, Eternities Crafter
33%inclusion1 decks3 decks
31%synergy
Slippery Bogbonder
33%inclusion1 decks3 decks
31%synergy
Solemn Simulacrum
33%inclusion1 decks3 decks
26%synergy
Spearbreaker Behemoth
33%inclusion1 decks3 decks
33%synergy
Tainted Observer
33%inclusion1 decks3 decks
33%synergy
Tervigon
33%inclusion1 decks3 decks
33%synergy
Thrummingbird
33%inclusion1 decks3 decks
28%synergy
Tyrant Guard
33%inclusion1 decks3 decks
33%synergy
Lorescale Coatl
33%inclusion1 decks3 decks
33%synergy
Instants
Bioshift
67%inclusion2 decks3 decks
66%synergy
Snakeskin Veil
67%inclusion2 decks3 decks
64%synergy
Inspiring Call
67%inclusion2 decks3 decks
54%synergy
Hindervines
67%inclusion2 decks3 decks
67%synergy
Solidarity of Heroes
67%inclusion2 decks3 decks
66%synergy
Brainstorm
33%inclusion1 decks3 decks
25%synergy
Counterspell
33%inclusion1 decks3 decks
-4%synergy
Dispel
33%inclusion1 decks3 decks
32%synergy
Displace
33%inclusion1 decks3 decks
32%synergy
Heroic Intervention
33%inclusion1 decks3 decks
3%synergy
Inscription of Abundance
33%inclusion1 decks3 decks
33%synergy
Negate
33%inclusion1 decks3 decks
19%synergy
Twiddle
33%inclusion1 decks3 decks
33%synergy
Vitalize
33%inclusion1 decks3 decks
33%synergy
Ram Through
33%inclusion1 decks3 decks
33%synergy
Path to Exile
33%inclusion1 decks3 decks
-15%synergy
Swords to Plowshares
33%inclusion1 decks3 decks
-29%synergy
Beast Within
33%inclusion1 decks3 decks
5%synergy
Growth Spiral
33%inclusion1 decks3 decks
20%synergy
Haze of Pollen
33%inclusion1 decks3 decks
33%synergy
Ojutai's Command
33%inclusion1 decks3 decks
33%synergy
Sorceries
Kodama's Reach
67%inclusion2 decks3 decks
47%synergy
Collective Effort
67%inclusion2 decks3 decks
63%synergy
End Hostilities
67%inclusion2 decks3 decks
67%synergy
Akroma's Vengeance
67%inclusion2 decks3 decks
66%synergy
Saheeli's Artistry
67%inclusion2 decks3 decks
67%synergy
Map the Wastes
67%inclusion2 decks3 decks
67%synergy
Overwhelming Stampede
67%inclusion2 decks3 decks
63%synergy
Enter the Enigma
50%inclusion1 decks2 decks
50%synergy
Circuitous Route
33%inclusion1 decks3 decks
32%synergy
Cleansing Nova
33%inclusion1 decks3 decks
32%synergy
Divination
33%inclusion1 decks3 decks
33%synergy
Farseek
33%inclusion1 decks3 decks
-11%synergy
Hidden Strings
33%inclusion1 decks3 decks
33%synergy
Mind's Desire
33%inclusion1 decks3 decks
33%synergy
Rampant Growth
33%inclusion1 decks3 decks
7%synergy
Reviving Melody
33%inclusion1 decks3 decks
33%synergy
Titania's Command
33%inclusion1 decks3 decks
33%synergy
Void Snare
33%inclusion1 decks3 decks
33%synergy
Nissa's Pilgrimage
33%inclusion1 decks3 decks
33%synergy
Storm the Seedcore
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
Swiftfoot Boots
100%inclusion3 decks3 decks
72%synergy
Excalibur II
50%inclusion1 decks2 decks
50%synergy
Mace of the Valiant
33%inclusion1 decks3 decks
33%synergy
Ozolith, the Shattered Spire
33%inclusion1 decks3 decks
27%synergy
Bident of Thassa
33%inclusion1 decks3 decks
29%synergy
Enchantments
Stasis Field
67%inclusion2 decks3 decks
66%synergy
Gleam of Authority
67%inclusion2 decks3 decks
67%synergy
Darksteel Mutation
67%inclusion2 decks3 decks
62%synergy
Retreat to Kazandu
67%inclusion2 decks3 decks
66%synergy
Citadel Siege
67%inclusion2 decks3 decks
66%synergy
Ossification
67%inclusion2 decks3 decks
66%synergy
Terrasymbiosis
50%inclusion1 decks2 decks
44%synergy
Abundant Growth
33%inclusion1 decks3 decks
31%synergy
Elven Chorus
33%inclusion1 decks3 decks
28%synergy
Garruk's Uprising
33%inclusion1 decks3 decks
26%synergy
Instill Energy
33%inclusion1 decks3 decks
33%synergy
Raised by Giants
33%inclusion1 decks3 decks
33%synergy
Wild Growth
33%inclusion1 decks3 decks
23%synergy
Lion Umbra
33%inclusion1 decks3 decks
33%synergy
Battles
Invasion of Moag
67%inclusion2 decks3 decks
67%synergy
Planeswalkers
Ajani Steadfast
67%inclusion2 decks3 decks
66%synergy
Ajani, Valiant Protector
33%inclusion1 decks3 decks
33%synergy
Ajani, the Greathearted
33%inclusion1 decks3 decks
32%synergy
Utility Lands
Oran-Rief, the Vastwood
67%inclusion2 decks3 decks
65%synergy
Novijen, Heart of Progress
67%inclusion2 decks3 decks
66%synergy
Mosswort Bridge
67%inclusion2 decks3 decks
63%synergy
Llanowar Reborn
67%inclusion2 decks3 decks
65%synergy
Reliquary Tower
33%inclusion1 decks3 decks
-11%synergy
Mana Artifacts
Sol Ring
67%inclusion2 decks3 decks
-15%synergy
Commander's Sphere
67%inclusion2 decks3 decks
60%synergy
Arcane Signet
67%inclusion2 decks3 decks
-5%synergy
Replicating Ring
67%inclusion2 decks3 decks
65%synergy
Mind Stone
33%inclusion1 decks3 decks
28%synergy
Fellwar Stone
33%inclusion1 decks3 decks
19%synergy
Lands
Canopy Vista
100%inclusion3 decks3 decks
53%synergy
Command Tower
100%inclusion3 decks3 decks
9%synergy
Evolving Wilds
100%inclusion3 decks3 decks
74%synergy
Exotic Orchard
100%inclusion3 decks3 decks
43%synergy
Prairie Stream
100%inclusion3 decks3 decks
54%synergy
Temple of Mystery
100%inclusion3 decks3 decks
78%synergy
Temple of Plenty
100%inclusion3 decks3 decks
80%synergy
Thornwood Falls
67%inclusion2 decks3 decks
61%synergy
Terramorphic Expanse
67%inclusion2 decks3 decks
49%synergy
Port Town
67%inclusion2 decks3 decks
53%synergy
Sungrass Prairie
67%inclusion2 decks3 decks
48%synergy
Fortified Village
67%inclusion2 decks3 decks
53%synergy
Path of Ancestry
67%inclusion2 decks3 decks
42%synergy
Temple of Enlightenment
67%inclusion2 decks3 decks
46%synergy
Azorius Chancery
33%inclusion1 decks3 decks
18%synergy
Fabled Passage
33%inclusion1 decks3 decks
23%synergy
Graypelt Refuge
33%inclusion1 decks3 decks
32%synergy
Myriad Landscape
33%inclusion1 decks3 decks
26%synergy
Sejiri Refuge
33%inclusion1 decks3 decks
32%synergy
Selesnya Sanctuary
33%inclusion1 decks3 decks
19%synergy
Vineglimmer Snarl
33%inclusion1 decks3 decks
22%synergy
Azorius Guildgate
33%inclusion1 decks3 decks
30%synergy
Simic Guildgate
33%inclusion1 decks3 decks
30%synergy
Tanglepool Bridge
33%inclusion1 decks3 decks
32%synergy
Blossoming Sands
33%inclusion1 decks3 decks
28%synergy
Tranquil Cove
33%inclusion1 decks3 decks
28%synergy