Cathars' Crusade
Devoted Druid
Hapatra, Vizier of Poisons

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Devoted Druid does not have summoning sickness. Devoted Druid does not have a -1/-1 counter on it.

   Steps

How does this combo work?
1
Activate Devoted Druid by tapping it, adding .
2
Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
3
Hapatra triggers, creating a 1/1 Snake creature token.
4
The Snake enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each creature you control.
5
Repeat.

   Results

What do I get from this combo?
Infinite creature tokens
Infinite ETB
Infinite green mana
Infinite +1/+1 counters on creatures you control
Ghave, Guru of Spores
0.1%inclusion4 decks7.87K decks
Atraxa, Praetors' Voice
0.0%inclusion3 decks42.2K decks
Tayam, Luminous Enigma
0.0%inclusion2 decks8.50K decks
Felothar, Dawn of the Abzan
0.0%inclusion2 decks5.88K decks
Kenrith, the Returned King
0.0%inclusion2 decks30.7K decks
Child of Alara
0.0%inclusion2 decks10.5K decks
Alharu, Solemn Ritualist // Reyhan, Last of the Abzan
0.3%inclusion1 decks340 decks
Myrkul, Lord of Bones
0.0%inclusion1 decks7.65K decks
Ikra Shidiqi, the Usurper // Tymna the Weaver
0.1%inclusion1 decks865 decks
Betor, Ancestor's Voice
0.0%inclusion1 decks16.9K decks
High Synergy Cards
Nest of Scarabs
53%inclusion10 decks19 decks
52%synergy
Flourishing Defenses
47%inclusion9 decks19 decks
47%synergy
Ivy Lane Denizen
47%inclusion9 decks19 decks
46%synergy
Yawgmoth, Thran Physician
42%inclusion8 decks19 decks
39%synergy
Phyrexian Altar
42%inclusion8 decks19 decks
39%synergy
Ashnod's Altar
42%inclusion8 decks19 decks
36%synergy
Scurry Oak
37%inclusion7 decks19 decks
35%synergy
Zulaport Cutthroat
42%inclusion8 decks19 decks
33%synergy
Herd Baloth
32%inclusion6 decks19 decks
31%synergy
Blowfly Infestation
32%inclusion6 decks19 decks
31%synergy
Top Cards
Swords to Plowshares
53%inclusion10 decks19 decks
-8%synergy
Hardened Scales
37%inclusion7 decks19 decks
26%synergy
Three Visits
37%inclusion7 decks19 decks
13%synergy
Assassin's Trophy
37%inclusion7 decks19 decks
5%synergy
Cultivate
37%inclusion7 decks19 decks
-5%synergy
Basking Broodscale
32%inclusion6 decks19 decks
30%synergy
Good-Fortune Unicorn
32%inclusion6 decks19 decks
29%synergy
Winding Constrictor
32%inclusion6 decks19 decks
28%synergy
Mazirek, Kraul Death Priest
32%inclusion6 decks19 decks
27%synergy
Evolution Sage
32%inclusion6 decks19 decks
25%synergy
Game Changers
Demonic Tutor
37%inclusion7 decks19 decks
18%synergy
Vampiric Tutor
32%inclusion6 decks19 decks
17%synergy
Gaea's Cradle
16%inclusion3 decks19 decks
10%synergy
Aura Shards
16%inclusion3 decks19 decks
9%synergy
Worldly Tutor
16%inclusion3 decks19 decks
4%synergy
Creatures
Deepglow Skate
43%inclusion3 decks7 decks
41%synergy
Tekuthal, Inquiry Dominus
43%inclusion3 decks7 decks
40%synergy
Grand Abolisher
32%inclusion6 decks19 decks
23%synergy
Haliya, Guided by Light
27%inclusion3 decks11 decks
24%synergy
Safehold Elite
26%inclusion5 decks19 decks
26%synergy
Vizier of Remedies
26%inclusion5 decks19 decks
26%synergy
Cryptic Trilobite
26%inclusion5 decks19 decks
26%synergy
Channeler Initiate
26%inclusion5 decks19 decks
26%synergy
Putrid Goblin
26%inclusion5 decks19 decks
26%synergy
Massacre Girl, Known Killer
26%inclusion5 decks19 decks
25%synergy
Mikaeus, the Unhallowed
26%inclusion5 decks19 decks
24%synergy
Heliod, Sun-Crowned
26%inclusion5 decks19 decks
23%synergy
Pitiless Plunderer
26%inclusion5 decks19 decks
18%synergy
Birds of Paradise
26%inclusion5 decks19 decks
-1%synergy
Kitchen Finks
21%inclusion4 decks19 decks
21%synergy
Young Wolf
21%inclusion4 decks19 decks
21%synergy
Crystalline Crawler
21%inclusion4 decks19 decks
21%synergy
Valentin, Dean of the Vein
21%inclusion4 decks19 decks
20%synergy
Slimefoot, the Stowaway
21%inclusion4 decks19 decks
20%synergy
Puppeteer Clique
21%inclusion4 decks19 decks
20%synergy
Rosie Cotton of South Lane
21%inclusion4 decks19 decks
18%synergy
Chatterfang, Squirrel General
21%inclusion4 decks19 decks
15%synergy
Cruel Celebrant
21%inclusion4 decks19 decks
14%synergy
Elas il-Kor, Sadistic Pilgrim
21%inclusion4 decks19 decks
12%synergy
Blood Artist
21%inclusion4 decks19 decks
10%synergy
Avacyn's Pilgrim
21%inclusion4 decks19 decks
9%synergy
Eternal Witness
21%inclusion4 decks19 decks
5%synergy
Esper Sentinel
21%inclusion4 decks19 decks
2%synergy
Sigil Captain
16%inclusion3 decks19 decks
16%synergy
Rendclaw Trow
16%inclusion3 decks19 decks
16%synergy
Quillspike
16%inclusion3 decks19 decks
15%synergy
Defiant Bloodlord
16%inclusion3 decks19 decks
15%synergy
Wickerbough Elder
16%inclusion3 decks19 decks
15%synergy
Children of Korlis
16%inclusion3 decks19 decks
15%synergy
Woodfall Primus
16%inclusion3 decks19 decks
15%synergy
Necroskitter
16%inclusion3 decks19 decks
15%synergy
Renata, Called to the Hunt
16%inclusion3 decks19 decks
14%synergy
Obelisk Spider
16%inclusion3 decks19 decks
14%synergy
Archangel of Thune
16%inclusion3 decks19 decks
13%synergy
Walking Ballista
16%inclusion3 decks19 decks
13%synergy
Luminous Broodmoth
16%inclusion3 decks19 decks
13%synergy
Evolution Witness
16%inclusion3 decks19 decks
12%synergy
Carrion Feeder
16%inclusion3 decks19 decks
11%synergy
Corpsejack Menace
16%inclusion3 decks19 decks
11%synergy
Vito, Thorn of the Dusk Rose
16%inclusion3 decks19 decks
11%synergy
Champion of Lambholt
16%inclusion3 decks19 decks
11%synergy
Mirkwood Bats
16%inclusion3 decks19 decks
7%synergy
Instants
Eladamri's Call
21%inclusion4 decks19 decks
12%synergy
Path to Exile
21%inclusion4 decks19 decks
-26%synergy
Silence
16%inclusion3 decks19 decks
9%synergy
Dark Ritual
16%inclusion3 decks19 decks
-9%synergy
Heroic Intervention
16%inclusion3 decks19 decks
-15%synergy
Sorceries
Farseek
32%inclusion6 decks19 decks
-4%synergy
Nature's Lore
26%inclusion5 decks19 decks
-5%synergy
Beseech the Queen
21%inclusion4 decks19 decks
20%synergy
Reanimate
21%inclusion4 decks19 decks
2%synergy
Kodama's Reach
21%inclusion4 decks19 decks
-5%synergy
Incremental Blight
16%inclusion3 decks19 decks
15%synergy
Black Sun's Zenith
16%inclusion3 decks19 decks
14%synergy
Damn
16%inclusion3 decks19 decks
1%synergy
Utility Artifacts
Ozolith, the Shattered Spire
26%inclusion5 decks19 decks
22%synergy
Skullclamp
26%inclusion5 decks19 decks
15%synergy
Blasting Station
21%inclusion4 decks19 decks
21%synergy
Altar of Dementia
21%inclusion4 decks19 decks
19%synergy
Sensei's Divining Top
16%inclusion3 decks19 decks
11%synergy
The Great Henge
16%inclusion3 decks19 decks
6%synergy
Lightning Greaves
16%inclusion3 decks19 decks
-9%synergy
Swiftfoot Boots
16%inclusion3 decks19 decks
-11%synergy
Enchantments
Inexorable Tide
43%inclusion3 decks7 decks
40%synergy
Anointed Procession
32%inclusion6 decks19 decks
25%synergy
Doubling Season
32%inclusion6 decks19 decks
21%synergy
Sylvan Library
26%inclusion5 decks19 decks
18%synergy
Presence of Gond
16%inclusion3 decks19 decks
15%synergy
Retribution of the Ancients
16%inclusion3 decks19 decks
15%synergy
Earthcraft
16%inclusion3 decks19 decks
15%synergy
Black Market
16%inclusion3 decks19 decks
12%synergy
Innkeeper's Talent
16%inclusion3 decks19 decks
11%synergy
Exquisite Blood
16%inclusion3 decks19 decks
11%synergy
Planeswalkers
Vraska, Betrayal's Sting
21%inclusion4 decks19 decks
19%synergy
Artifacts
Arcane Signet
68%inclusion13 decks19 decks
-4%synergy
Sol Ring
68%inclusion13 decks19 decks
-15%synergy
Ozolith, the Shattered Spire
26%inclusion5 decks19 decks
22%synergy
Skullclamp
26%inclusion5 decks19 decks
15%synergy
Blasting Station
21%inclusion4 decks19 decks
21%synergy
Altar of Dementia
21%inclusion4 decks19 decks
19%synergy
Talisman of Unity
21%inclusion4 decks19 decks
14%synergy
Talisman of Resilience
21%inclusion4 decks19 decks
9%synergy
Fellwar Stone
21%inclusion4 decks19 decks
1%synergy
Talisman of Hierarchy
21%inclusion4 decks19 decks
-6%synergy
Sensei's Divining Top
16%inclusion3 decks19 decks
11%synergy
Chromatic Lantern
16%inclusion3 decks19 decks
7%synergy
The Great Henge
16%inclusion3 decks19 decks
6%synergy
Lightning Greaves
16%inclusion3 decks19 decks
-9%synergy
Swiftfoot Boots
16%inclusion3 decks19 decks
-11%synergy
Utility Lands
Bojuka Bog
26%inclusion5 decks19 decks
-4%synergy
Gavony Township
21%inclusion4 decks19 decks
14%synergy
Urborg, Tomb of Yawgmoth
21%inclusion4 decks19 decks
12%synergy
Yavimaya, Cradle of Growth
16%inclusion3 decks19 decks
7%synergy
Mana Artifacts
Arcane Signet
68%inclusion13 decks19 decks
-4%synergy
Sol Ring
68%inclusion13 decks19 decks
-15%synergy
Talisman of Unity
21%inclusion4 decks19 decks
14%synergy
Talisman of Resilience
21%inclusion4 decks19 decks
9%synergy
Fellwar Stone
21%inclusion4 decks19 decks
1%synergy
Talisman of Hierarchy
21%inclusion4 decks19 decks
-6%synergy
Chromatic Lantern
16%inclusion3 decks19 decks
7%synergy
Lands
Command Tower
95%inclusion18 decks19 decks
21%synergy
Savage Lands
75%inclusion3 decks4 decks
54%synergy
Sandsteppe Citadel
58%inclusion11 decks19 decks
32%synergy
Exotic Orchard
58%inclusion11 decks19 decks
21%synergy
Arcane Sanctum
57%inclusion4 decks7 decks
30%synergy
Opulent Palace
57%inclusion4 decks7 decks
29%synergy
Azorius Chancery
43%inclusion3 decks7 decks
31%synergy
Savannah
42%inclusion8 decks19 decks
29%synergy
Indatha Triome
42%inclusion8 decks19 decks
15%synergy
Llanowar Wastes
42%inclusion8 decks19 decks
15%synergy
Temple Garden
42%inclusion8 decks19 decks
2%synergy
Overgrown Tomb
42%inclusion8 decks19 decks
0%synergy
Godless Shrine
42%inclusion8 decks19 decks
0%synergy
Marsh Flats
37%inclusion7 decks19 decks
26%synergy
Bayou
37%inclusion7 decks19 decks
24%synergy
Scrubland
37%inclusion7 decks19 decks
23%synergy
Caves of Koilos
37%inclusion7 decks19 decks
7%synergy
Verdant Catacombs
32%inclusion6 decks19 decks
21%synergy
Windswept Heath
32%inclusion6 decks19 decks
21%synergy
Woodland Cemetery
32%inclusion6 decks19 decks
-2%synergy
Evolving Wilds
26%inclusion5 decks19 decks
6%synergy
Brushland
26%inclusion5 decks19 decks
6%synergy
Bountiful Promenade
26%inclusion5 decks19 decks
5%synergy
Undergrowth Stadium
26%inclusion5 decks19 decks
2%synergy
Sunpetal Grove
26%inclusion5 decks19 decks
-3%synergy
Mana Confluence
21%inclusion4 decks19 decks
14%synergy
Lush Portico
21%inclusion4 decks19 decks
12%synergy
Shadowy Backstreet
21%inclusion4 decks19 decks
11%synergy
Wooded Foothills
21%inclusion4 decks19 decks
10%synergy
Underground Mortuary
21%inclusion4 decks19 decks
8%synergy
Terramorphic Expanse
21%inclusion4 decks19 decks
6%synergy
Golgari Rot Farm
21%inclusion4 decks19 decks
5%synergy
Vault of Champions
21%inclusion4 decks19 decks
-2%synergy
Isolated Chapel
21%inclusion4 decks19 decks
-14%synergy
Canopy Vista
21%inclusion4 decks19 decks
-14%synergy
Wastewood Verge
17%inclusion3 decks18 decks
9%synergy
Bleachbone Verge
17%inclusion3 decks18 decks
8%synergy
Hushwood Verge
17%inclusion3 decks18 decks
7%synergy
Deceptive Landscape
16%inclusion3 decks19 decks
8%synergy
City of Brass
16%inclusion3 decks19 decks
8%synergy
Bloodstained Mire
16%inclusion3 decks19 decks
5%synergy
Flooded Strand
16%inclusion3 decks19 decks
4%synergy
Twilight Mire
16%inclusion3 decks19 decks
1%synergy