Glacial Chasm + Ancient Greenwarden + Case of the Locked Hothouse

Glacial Chasm
Ancient Greenwarden
Case of the Locked Hothouse

Requires
Glacial Chasm must be on the battlefield. Ancient Greenwarden must be on the battlefield. Case of the Locked Hothouse must be on the battlefield.
Steps
  1. Play Glacial Chasm either from your hand or from your graveyard.
  2. When Glacial Chasm enters the battlefield, its second ability triggers, causing you to sacrifice another land you control.
  3. Play any land from your graveyard.
  4. At the beginning of your next upkeep, Glacial Chasm's cumulative upkeep ability triggers, allowing you to choose not to pay the cost and sacrifice it instead.
  5. Repeat.
Results
Prevent all damage that would be dealt to you.

Top Commanders (6)
Azusa, Lost but Seeking
1.12% of 3221 decks 36 decks
Titania, Protector of Argoth
1.03% of 2631 decks 27 decks
Lord Windgrace
0.48% of 8714 decks 42 decks
Hazezon, Shaper of Sand
0.32% of 6659 decks 21 decks
Thalia and The Gitrog Monster
0.31% of 10113 decks 31 decks
Omnath, Locus of Creation
0.16% of 13160 decks 21 decks
New Cards (5)
Lumra, Bellow of the Woods
100% of 22 decks +48% synergy
Abraded Bluffs
69% of 49 decks +66% synergy
Creosote Heath
60% of 57 decks +56% synergy
Bristling Backwoods
59% of 61 decks +55% synergy
Dune Chanter
31% of 96 decks +29% synergy
High Synergy Cards (10)
Ramunap Excavator
87% of 403 decks +83% synergy
Azusa, Lost but Seeking
85% of 403 decks +82% synergy
The Gitrog Monster
83% of 139 decks +82% synergy
Tatyova, Benthic Druid
84% of 107 decks +82% synergy
Exploration
84% of 403 decks +80% synergy
Crop Rotation
82% of 403 decks +77% synergy
Oracle of Mul Daya
75% of 403 decks +72% synergy
Lotus Cobra
75% of 403 decks +71% synergy
Aesi, Tyrant of Gyre Strait
72% of 107 decks +71% synergy
Scute Swarm
72% of 403 decks +68% synergy
Top Cards (10)
Crucible of Worlds
78% of 403 decks +75% synergy
Conduit of Worlds
77% of 403 decks +73% synergy
Tireless Provisioner
69% of 403 decks +65% synergy
Swords to Plowshares
68% of 116 decks +40% synergy
Dryad of the Ilysian Grove
68% of 403 decks +64% synergy
Assassin's Trophy
68% of 139 decks +61% synergy
Felidar Retreat
64% of 116 decks +60% synergy
Avenger of Zendikar
62% of 403 decks +58% synergy
Scapeshift
59% of 403 decks +58% synergy
Beast Within
58% of 403 decks +39% synergy
Creatures (50)
Omnath, Locus of Rage
56% of 163 decks +55% synergy
Titania, Protector of Argoth
56% of 403 decks +55% synergy
Ob Nixilis, the Fallen
55% of 139 decks +54% synergy
Mina and Denn, Wildborn
53% of 163 decks +52% synergy
Rampaging Baloths
52% of 403 decks +49% synergy
Tireless Tracker
51% of 403 decks +49% synergy
Elvish Reclaimer
48% of 403 decks +47% synergy
Eternal Witness
47% of 403 decks +36% synergy
Braids, Arisen Nightmare
46% of 139 decks +42% synergy
Wayward Swordtooth
44% of 403 decks +42% synergy
Knight of the Reliquary
41% of 116 decks +41% synergy
Soul of Windgrace
41% of 68 decks +41% synergy
Sylvan Safekeeper
41% of 403 decks +39% synergy
Omnath, Locus of the Roil
40% of 45 decks +40% synergy
Nissa, Resurgent Animist
34% of 403 decks +33% synergy
Courser of Kruphix
34% of 403 decks +32% synergy
Uro, Titan of Nature's Wrath
34% of 107 decks +33% synergy
Omnath, Locus of Creation
33% of 36 decks +33% synergy
Muldrotha, the Gravetide
33% of 30 decks +33% synergy
Greensleeves, Maro-Sorcerer
33% of 403 decks +32% synergy
Moraug, Fury of Akoum
31% of 163 decks +30% synergy
The Gitrog, Ravenous Ride
30% of 23 decks +29% synergy
Ashaya, Soul of the Wild
29% of 403 decks +27% synergy
Cultivator Colossus
29% of 403 decks +28% synergy
Emeria Angel
28% of 116 decks +27% synergy
Augur of Autumn
28% of 403 decks +26% synergy
Aftermath Analyst
27% of 403 decks +25% synergy
Yuma, Proud Protector
27% of 49 decks +26% synergy
Ignoble Hierarch
26% of 68 decks +24% synergy
Sand Scout
26% of 57 decks +24% synergy
Drana and Linvala
26% of 42 decks +25% synergy
Sakura-Tribe Elder
25% of 403 decks +16% synergy
World Shaper
25% of 403 decks +23% synergy
Bonny Pall, Clearcutter
24% of 25 decks +23% synergy
Perennial Behemoth
24% of 403 decks +23% synergy
Yarok, the Desecrated
23% of 30 decks +23% synergy
Bristly Bill, Spine Sower
22% of 124 decks +18% synergy
Titania, Voice of Gaea
21% of 403 decks +20% synergy
Springbloom Druid
20% of 403 decks +18% synergy
Rumbleweed
20% of 96 decks +18% synergy
Meloku the Clouded Mirror
20% of 107 decks +19% synergy
Titania, Nature's Force
19% of 403 decks +19% synergy
Kodama of the East Tree
19% of 403 decks +17% synergy
Thalia and The Gitrog Monster
19% of 42 decks +19% synergy
Hazezon, Shaper of Sand
19% of 79 decks +19% synergy
Esper Sentinel
19% of 116 decks +9% synergy
Craterhoof Behemoth
19% of 403 decks +16% synergy
Multani, Yavimaya's Avatar
18% of 403 decks +17% synergy
Blossoming Tortoise
18% of 403 decks +17% synergy
Korvold, Fae-Cursed King
18% of 68 decks +17% synergy
Instants (50)
Path to Exile
51% of 116 decks +31% synergy
Cyclonic Rift
49% of 107 decks +34% synergy
Constant Mists
47% of 403 decks +47% synergy
Harrow
46% of 403 decks +41% synergy
Heroic Intervention
45% of 403 decks +32% synergy
Anguished Unmaking
45% of 42 decks +40% synergy
Archdruid's Charm
45% of 403 decks +40% synergy
Growth Spiral
44% of 107 decks +39% synergy
Realms Uncharted
37% of 403 decks +37% synergy
Entish Restoration
35% of 403 decks +30% synergy
Teferi's Protection
29% of 116 decks +20% synergy
Generous Gift
28% of 116 decks +16% synergy
Counterspell
26% of 107 decks +5% synergy
Roiling Regrowth
22% of 403 decks +21% synergy
Arcane Denial
21% of 107 decks +12% synergy
Chaos Warp
21% of 163 decks +5% synergy
Enlightened Tutor
21% of 116 decks +12% synergy
Worldly Tutor
21% of 403 decks +14% synergy
Vampiric Tutor
19% of 139 decks +10% synergy
Mana Drain
18% of 107 decks +10% synergy
Fierce Guardianship
18% of 107 decks +9% synergy
An Offer You Can't Refuse
17% of 107 decks +7% synergy
Swan Song
16% of 107 decks +8% synergy
Tear Asunder
14% of 139 decks +13% synergy
Return of the Wildspeaker
14% of 403 decks +8% synergy
Mystical Tutor
14% of 107 decks +6% synergy
Stroke of Midnight
14% of 116 decks +7% synergy
Deflecting Swat
12% of 163 decks +5% synergy
Negate
12% of 107 decks +1% synergy
Nature's Claim
12% of 403 decks +7% synergy
Windgrace's Judgment
12% of 139 decks +11% synergy
Abrupt Decay
12% of 139 decks +9% synergy
Eladamri's Call
11% of 116 decks +8% synergy
Force of Vigor
11% of 403 decks +9% synergy
Deadly Rollick
11% of 139 decks +6% synergy
Krosan Grip
10% of 403 decks +6% synergy
Eureka Moment
9% of 107 decks +9% synergy
Chord of Calling
9% of 403 decks +6% synergy
Boros Charm
9% of 79 decks +3% synergy
Entomb
9% of 139 decks +5% synergy
Flawless Maneuver
9% of 116 decks +4% synergy
Bovine Intervention
8% of 62 decks +6% synergy
Smuggler's Surprise
8% of 124 decks +5% synergy
Valakut Awakening
8% of 163 decks +4% synergy
Akroma's Will
8% of 116 decks +3% synergy
Veil of Summer
8% of 403 decks +4% synergy
Dovin's Veto
8% of 40 decks +3% synergy
Pongify
7% of 107 decks +2% synergy
Final Showdown
7% of 57 decks +3% synergy
Deprive
7% of 107 decks +6% synergy
Sorceries (50)
Splendid Reclamation
54% of 403 decks +52% synergy
Life from the Loam
50% of 403 decks +49% synergy
Worldsoul's Rage
47% of 134 decks +46% synergy
Nature's Lore
45% of 403 decks +31% synergy
Three Visits
43% of 403 decks +31% synergy
Cultivate
37% of 403 decks +15% synergy
Toxic Deluge
37% of 139 decks +28% synergy
Awaken the Woods
33% of 403 decks +31% synergy
Kodama's Reach
33% of 403 decks +17% synergy
Blasphemous Act
32% of 163 decks +16% synergy
Bala Ged Recovery
30% of 403 decks +25% synergy
Sylvan Scrying
29% of 403 decks +28% synergy
Ruinous Ultimatum
27% of 11 decks +25% synergy
Explore
27% of 403 decks +23% synergy
Torment of Hailfire
27% of 139 decks +24% synergy
Damn
26% of 42 decks +22% synergy
Green Sun's Zenith
26% of 403 decks +23% synergy
Farseek
26% of 403 decks +10% synergy
Demonic Tutor
25% of 139 decks +13% synergy
Pillage the Bog
24% of 29 decks +24% synergy
Nahiri's Lithoforming
24% of 163 decks +24% synergy
Rampant Growth
23% of 403 decks +6% synergy
Armageddon
22% of 116 decks +21% synergy
Eerie Ultimatum
21% of 42 decks +20% synergy
Finale of Devastation
21% of 403 decks +17% synergy
Pitiless Carnage
20% of 25 decks +19% synergy
Cataclysmic Prospecting
18% of 61 decks +17% synergy
Embrace the Unknown
18% of 61 decks +17% synergy
Tempt with Discovery
18% of 403 decks +16% synergy
Wargate
18% of 40 decks +17% synergy
Farewell
17% of 116 decks +11% synergy
Skyshroud Claim
17% of 403 decks +12% synergy
Walk the Aeons
17% of 107 decks +16% synergy
Map the Frontier
17% of 102 decks +14% synergy
Flare of Cultivation
15% of 26 decks +8% synergy
Hour of Promise
15% of 403 decks +14% synergy
Open the Way
14% of 403 decks +13% synergy
Reshape the Earth
14% of 403 decks +13% synergy
Decimate
13% of 163 decks +12% synergy
Emergent Ultimatum
13% of 30 decks +13% synergy
Villainous Wealth
13% of 30 decks +12% synergy
Nylea's Intervention
13% of 403 decks +13% synergy
Doppelgang
13% of 107 decks +12% synergy
Sea Gate Restoration
13% of 107 decks +10% synergy
Insatiable Avarice
13% of 23 decks +7% synergy
Culling Ritual
13% of 139 decks +11% synergy
Supreme Verdict
12% of 40 decks +9% synergy
Damnation
12% of 139 decks +8% synergy
Urban Evolution
12% of 107 decks +11% synergy
Sevinne's Reclamation
12% of 116 decks +9% synergy
Utility Artifacts (13)
Zuran Orb
51% of 403 decks +50% synergy
Horn of Greed
29% of 403 decks +28% synergy
Amulet of Vigor
23% of 403 decks +22% synergy
Expedition Map
22% of 403 decks +18% synergy
Lightning Greaves
18% of 403 decks -8% synergy
Swiftfoot Boots
12% of 403 decks -16% synergy
The One Ring
10% of 403 decks +1% synergy
Emerald Medallion
10% of 403 decks +8% synergy
Bolas's Citadel
7% of 139 decks +2% synergy
The Great Henge
7% of 403 decks +2% synergy
Staff of Titania
7% of 403 decks +6% synergy
Seer's Sundial
6% of 403 decks +5% synergy
Blackblade Reforged
6% of 403 decks +1% synergy
Enchantments (50)
Valakut Exploration
50% of 163 decks +49% synergy
Retreat to Hagra
45% of 139 decks +44% synergy
Spelunking
39% of 403 decks +36% synergy
Burgeoning
36% of 403 decks +34% synergy
Trade Routes
35% of 107 decks +34% synergy
Undergrowth Recon
34% of 403 decks +33% synergy
Druid Class
33% of 403 decks +31% synergy
Squandered Resources
32% of 139 decks +32% synergy
Sylvan Library
32% of 403 decks +25% synergy
Rhystic Study
30% of 107 decks +16% synergy
Retreat to Coralhelm
21% of 107 decks +19% synergy
Mystic Remora
19% of 107 decks +10% synergy
Garruk's Uprising
18% of 403 decks +11% synergy
Annie Joins Up
18% of 50 decks +13% synergy
Virtue of Knowledge
18% of 107 decks +16% synergy
Zendikar's Roil
17% of 403 decks +16% synergy
Aura Shards
15% of 116 decks +12% synergy
Greater Good
14% of 403 decks +11% synergy
Temur Ascendancy
13% of 45 decks +12% synergy
Tribute to the World Tree
13% of 403 decks +8% synergy
Song of the Dryads
12% of 403 decks +11% synergy
Abundance
12% of 403 decks +11% synergy
Trouble in Pairs
12% of 91 decks +7% synergy
Aura Fracture
12% of 116 decks +12% synergy
Warleader's Call
12% of 67 decks +8% synergy
Excavation
11% of 107 decks +11% synergy
Kenrith's Transformation
11% of 403 decks +8% synergy
Concordant Crossroads
11% of 403 decks +10% synergy
Elemental Bond
10% of 403 decks +8% synergy
The Mending of Dominaria
10% of 403 decks +9% synergy
Pernicious Deed
10% of 139 decks +10% synergy
Smothering Tithe
9% of 116 decks -2% synergy
Phyrexian Arena
9% of 139 decks +2% synergy
Mirari's Wake
9% of 116 decks +5% synergy
Tectonic Reformation
9% of 163 decks +8% synergy
Goblin Trenches
8% of 79 decks +8% synergy
Prismatic Omen
7% of 403 decks +7% synergy
Goblin Bombardment
7% of 163 decks +4% synergy
Omenpath Journey
7% of 96 decks +6% synergy
Overgrown Estate
7% of 42 decks +7% synergy
Retreat to Kazandu
7% of 403 decks +6% synergy
Rites of Flourishing
7% of 403 decks +6% synergy
Retreat to Emeria
7% of 116 decks +7% synergy
Warstorm Surge
7% of 163 decks +4% synergy
Virtue of Strength
7% of 403 decks +4% synergy
Parallel Lives
7% of 403 decks +3% synergy
Guild Summit
7% of 107 decks +6% synergy
On the Trail
7% of 260 decks +5% synergy
Khalni Heart Expedition
6% of 403 decks +5% synergy
Impact Tremors
6% of 163 decks +1% synergy
Battles (1)
Invasion of Ikoria
6% of 403 decks +4% synergy
Planeswalkers (9)
Wrenn and Six
27% of 163 decks +27% synergy
Wrenn and Seven
24% of 403 decks +23% synergy
Nissa, Vital Force
20% of 403 decks +19% synergy
Lord Windgrace
18% of 68 decks +17% synergy
Nissa of Shadowed Boughs
15% of 139 decks +15% synergy
Nissa, Who Shakes the World
15% of 403 decks +13% synergy
Oko, Thief of Crowns
12% of 107 decks +11% synergy
Wrenn and Realmbreaker
10% of 403 decks +9% synergy
Nissa, Ascended Animist
6% of 403 decks +5% synergy
Utility Lands (50)
Field of the Dead
72% of 403 decks +68% synergy
Yavimaya, Cradle of Growth
71% of 403 decks +62% synergy
Bojuka Bog
65% of 139 decks +49% synergy
Strip Mine
58% of 403 decks +54% synergy
Boseiju, Who Endures
57% of 403 decks +48% synergy
Thespian's Stage
47% of 403 decks +44% synergy
Oboro, Palace in the Clouds
44% of 107 decks +44% synergy
Otawara, Soaring City
41% of 107 decks +33% synergy
Lotus Field
39% of 403 decks +38% synergy
Dark Depths
36% of 403 decks +35% synergy
Mystic Sanctuary
36% of 107 decks +29% synergy
Takenuma, Abandoned Mire
32% of 139 decks +26% synergy
Vesuva
31% of 403 decks +30% synergy
Cabal Coffers
31% of 139 decks +25% synergy
Wasteland
31% of 403 decks +29% synergy
Echoing Deeps
30% of 403 decks +28% synergy
Valakut, the Molten Pinnacle
29% of 163 decks +28% synergy
Shefet Dunes
29% of 116 decks +29% synergy
Desert of the True
29% of 116 decks +29% synergy
Cactus Preserve
28% of 96 decks +25% synergy
Reliquary Tower
27% of 403 decks -2% synergy
Argoth, Sanctum of Nature
25% of 403 decks +24% synergy
Arid Archway
25% of 124 decks +22% synergy
Dakmor Salvage
24% of 139 decks +24% synergy
Dryad Arbor
23% of 403 decks +21% synergy
Maze of Ith
23% of 403 decks +20% synergy
Command Beacon
22% of 403 decks +17% synergy
Urborg, Tomb of Yawgmoth
21% of 403 decks +11% synergy
Ramunap Ruins
20% of 163 decks +20% synergy
Desert of the Fervent
20% of 163 decks +19% synergy
Ghost Quarter
18% of 403 decks +15% synergy
Tranquil Thicket
17% of 403 decks +15% synergy
Scavenger Grounds
17% of 403 decks +13% synergy
War Room
16% of 403 decks +10% synergy
Urza's Saga
14% of 403 decks +7% synergy
Nykthos, Shrine to Nyx
14% of 403 decks +8% synergy
Kessig Wolf Run
13% of 163 decks +10% synergy
Ancient Tomb
13% of 403 decks +3% synergy
Tolaria West
13% of 107 decks +12% synergy
Sandstorm Verge
13% of 100 decks +11% synergy
Petrified Field
13% of 403 decks +13% synergy
Blast Zone
12% of 403 decks +11% synergy
Eiganjo, Seat of the Empire
12% of 116 decks +7% synergy
Castle Garenbrig
12% of 403 decks +9% synergy
Crystal Vein
12% of 403 decks +11% synergy
Guildless Commons
12% of 403 decks +10% synergy
Barren Moor
12% of 139 decks +9% synergy
Desert of the Indomitable
11% of 403 decks +11% synergy
Alchemist's Refuge
11% of 107 decks +10% synergy
Gaea's Cradle
10% of 403 decks +8% synergy
Mana Artifacts (3)
Sol Ring
63% of 403 decks -21% synergy
Arcane Signet
23% of 403 decks -47% synergy
Mana Crypt
7% of 403 decks -5% synergy
Lands (50)
Breeding Pool
75% of 107 decks +66% synergy
Overgrown Tomb
74% of 139 decks +65% synergy
Ziatora's Proving Ground
74% of 68 decks +70% synergy
Stomping Ground
67% of 163 decks +58% synergy
Zagoth Triome
67% of 30 decks +63% synergy
Underground Mortuary
63% of 95 decks +58% synergy
Indatha Triome
62% of 42 decks +58% synergy
Blood Crypt
60% of 68 decks +51% synergy
Watery Grave
60% of 30 decks +49% synergy
Godless Shrine
60% of 42 decks +50% synergy
Temple Garden
59% of 116 decks +50% synergy
Command Tower
56% of 403 decks -17% synergy
Fabled Passage
53% of 403 decks +44% synergy
Ketria Triome
53% of 45 decks +50% synergy
Simic Growth Chamber
52% of 107 decks +48% synergy
Hedge Maze
51% of 74 decks +47% synergy
Jetmir's Garden
51% of 79 decks +46% synergy
Hallowed Fountain
50% of 40 decks +41% synergy
Verdant Catacombs
50% of 403 decks +38% synergy
Steam Vents
49% of 45 decks +40% synergy
Shadowy Backstreet
48% of 25 decks +44% synergy
Raucous Theater
48% of 50 decks +44% synergy
Wooded Foothills
48% of 403 decks +38% synergy
Spara's Headquarters
45% of 40 decks +41% synergy
Misty Rainforest
45% of 403 decks +33% synergy
Commercial District
44% of 134 decks +40% synergy
Undercity Sewers
44% of 16 decks +39% synergy
Golgari Rot Farm
43% of 139 decks +39% synergy
Windswept Heath
43% of 403 decks +33% synergy
Raugrin Triome
42% of 36 decks +39% synergy
Sacred Foundry
41% of 79 decks +32% synergy
The World Tree
36% of 11 decks +34% synergy
Gruul Turf
36% of 163 decks +32% synergy
Rejuvenating Springs
34% of 107 decks +27% synergy
Prismatic Vista
33% of 403 decks +27% synergy
Orzhov Basilica
31% of 42 decks +27% synergy
Xander's Lounge
31% of 13 decks +27% synergy
Evolving Wilds
30% of 403 decks +9% synergy
Undergrowth Stadium
30% of 139 decks +25% synergy
Cinder Glade
30% of 163 decks +22% synergy
Tundra
30% of 40 decks +27% synergy
Underground Sea
30% of 30 decks +26% synergy
Luxury Suite
29% of 68 decks +23% synergy
Selesnya Sanctuary
29% of 116 decks +26% synergy
Conduit Pylons
28% of 96 decks +24% synergy
Hinterland Harbor
28% of 107 decks +23% synergy
Smoldering Marsh
28% of 68 decks +21% synergy
Lush Portico
27% of 91 decks +24% synergy
Savai Triome
27% of 11 decks +24% synergy
Tropical Island
27% of 107 decks +24% synergy