Xolatoyac, the Smiling Flood (Commander) - Merfolk

Background image for Tricky Terrain Precon Upgrade Guide - Modern Horizons 3
Andy Zupke
Jun 12, 2024
Tricky Terrain Precon Upgrade Guide - Modern Horizons 3
How do you upgrade a deck that already has everything? Find out in this Upgrade Guide of Tricky Terrain, the Simic precon from Modern Horizons 3.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Waterbending Scroll
33%inclusion1 decks3 decks
33%synergy
Bender's Waterskin
25%inclusion1 decks4 decks
24%synergy
High Synergy Cards
Hakbal of the Surging Soul
86%inclusion76 decks88 decks
82%synergy
Cold-Eyed Selkie
92%inclusion81 decks88 decks
80%synergy
Master of the Pearl Trident
90%inclusion79 decks88 decks
79%synergy
Kumena, Tyrant of Orazca
77%inclusion68 decks88 decks
70%synergy
Stonybrook Banneret
78%inclusion69 decks88 decks
70%synergy
Svyelun of Sea and Sky
77%inclusion68 decks88 decks
68%synergy
Singer of Swift Rivers
74%inclusion65 decks88 decks
66%synergy
Deeproot Elite
74%inclusion65 decks88 decks
66%synergy
Emperor Mihail II
72%inclusion63 decks88 decks
63%synergy
Merrow Reejerey
69%inclusion61 decks88 decks
61%synergy
Top Cards
Herald of Secret Streams
72%inclusion63 decks88 decks
57%synergy
Deeproot Waters
67%inclusion59 decks88 decks
59%synergy
Seafloor Oracle
67%inclusion59 decks88 decks
59%synergy
Kopala, Warden of Waves
64%inclusion56 decks88 decks
55%synergy
Merfolk Sovereign
61%inclusion54 decks88 decks
53%synergy
Vorel of the Hull Clade
61%inclusion54 decks88 decks
53%synergy
Deeproot Pilgrimage
59%inclusion52 decks88 decks
52%synergy
Counterspell
59%inclusion52 decks88 decks
9%synergy
Lord of Atlantis
58%inclusion51 decks88 decks
52%synergy
Eluge, the Shoreless Sea
57%inclusion23 decks40 decks
56%synergy
Game Changers
Cyclonic Rift
19%inclusion17 decks88 decks
-7%synergy
Rhystic Study
14%inclusion12 decks88 decks
-8%synergy
Seedborn Muse
9.1%inclusion8 decks88 decks
-7%synergy
Worldly Tutor
6.8%inclusion6 decks88 decks
-9%synergy
Creatures
Starwinder
60%inclusion3 decks5 decks
53%synergy
Tatyova, Benthic Druid
55%inclusion48 decks88 decks
23%synergy
Stormtide Leviathan
55%inclusion48 decks88 decks
49%synergy
Mist Dancer
52%inclusion46 decks88 decks
45%synergy
Kiora's Follower
51%inclusion45 decks88 decks
36%synergy
Vodalian Hexcatcher
50%inclusion44 decks88 decks
43%synergy
Tishana, Voice of Thunder
48%inclusion42 decks88 decks
42%synergy
Prime Speaker Zegana
47%inclusion41 decks88 decks
36%synergy
Merfolk Skydiver
47%inclusion41 decks88 decks
41%synergy
Harbinger of the Seas
43%inclusion23 decks53 decks
40%synergy
Merfolk Mistbinder
43%inclusion38 decks88 decks
36%synergy
Arixmethes, Slumbering Isle
42%inclusion37 decks88 decks
29%synergy
The Flood of Mars
41%inclusion36 decks88 decks
40%synergy
Zegana, Utopian Speaker
40%inclusion35 decks88 decks
32%synergy
Tributary Instructor
39%inclusion34 decks88 decks
34%synergy
Metallic Mimic
39%inclusion34 decks88 decks
33%synergy
Nicanzil, Current Conductor
39%inclusion34 decks88 decks
31%synergy
Merrow Harbinger
38%inclusion33 decks88 decks
35%synergy
Chasm Skulker
34%inclusion30 decks88 decks
28%synergy
Master Biomancer
33%inclusion29 decks88 decks
26%synergy
Forgotten Ancient
32%inclusion28 decks88 decks
24%synergy
Evolution Sage
30%inclusion26 decks88 decks
19%synergy
Summon: Leviathan
29%inclusion2 decks7 decks
21%synergy
Tishana's Tidebinder
27%inclusion24 decks88 decks
22%synergy
Forerunner of the Heralds
27%inclusion24 decks88 decks
23%synergy
Murkfiend Liege
27%inclusion24 decks88 decks
13%synergy
Colossal Whale
27%inclusion24 decks88 decks
26%synergy
Deeproot Historian
26%inclusion23 decks88 decks
20%synergy
Rishkar, Peema Renegade
26%inclusion23 decks88 decks
21%synergy
Realmwalker
26%inclusion23 decks88 decks
19%synergy
Kami of Whispered Hopes
25%inclusion22 decks88 decks
18%synergy
Streambed Aquitects
23%inclusion20 decks88 decks
22%synergy
Benthic Biomancer
22%inclusion19 decks88 decks
16%synergy
Inkwell Leviathan
22%inclusion19 decks88 decks
17%synergy
Famished Worldsire
20%inclusion1 decks5 decks
18%synergy
Thassa, God of the Sea
19%inclusion17 decks88 decks
14%synergy
Thada Adel, Acquisitor
19%inclusion17 decks88 decks
17%synergy
Thieving Skydiver
19%inclusion17 decks88 decks
12%synergy
Deepfathom Echo
18%inclusion16 decks88 decks
15%synergy
Enclave Elite
15%inclusion13 decks88 decks
15%synergy
Tide Shaper
15%inclusion13 decks88 decks
13%synergy
Sage of Fables
15%inclusion13 decks88 decks
12%synergy
Rikku, Resourceful Guardian
14%inclusion1 decks7 decks
13%synergy
Sin, Unending Cataclysm
14%inclusion1 decks7 decks
11%synergy
Topography Tracker
14%inclusion12 decks88 decks
7%synergy
Rishadan Dockhand
14%inclusion12 decks88 decks
13%synergy
Lullmage Mentor
14%inclusion12 decks88 decks
11%synergy
Merfolk Spy
14%inclusion12 decks88 decks
13%synergy
Surgespanner
13%inclusion11 decks88 decks
9%synergy
Coralhelm Commander
11%inclusion10 decks88 decks
9%synergy
Instants
Growth Spiral
52%inclusion46 decks88 decks
8%synergy
Inspiring Call
52%inclusion46 decks88 decks
39%synergy
Beast Within
50%inclusion44 decks88 decks
0%synergy
Ripples of Potential
45%inclusion40 decks88 decks
36%synergy
Negate
38%inclusion33 decks88 decks
12%synergy
Aetherize
34%inclusion30 decks88 decks
22%synergy
Quandrix Command
34%inclusion30 decks88 decks
29%synergy
Rapid Hybridization
30%inclusion26 decks88 decks
3%synergy
Arcane Denial
26%inclusion23 decks88 decks
4%synergy
Ruinous Intrusion
25%inclusion22 decks88 decks
22%synergy
High Tide
20%inclusion18 decks88 decks
18%synergy
Seedship Impact
20%inclusion1 decks5 decks
19%synergy
Mutational Advantage
18%inclusion13 decks71 decks
14%synergy
Heroic Intervention
17%inclusion15 decks88 decks
-13%synergy
Slip Out the Back
16%inclusion14 decks88 decks
12%synergy
Silkguard
15%inclusion13 decks88 decks
14%synergy
Heritage Reclamation
14%inclusion1 decks7 decks
12%synergy
Auroral Procession
14%inclusion1 decks7 decks
11%synergy
Lifestream's Blessing
14%inclusion1 decks7 decks
13%synergy
Pongify
13%inclusion11 decks88 decks
-12%synergy
Snakeskin Veil
13%inclusion11 decks88 decks
7%synergy
Return to Nature
11%inclusion10 decks88 decks
6%synergy
Piracy Charm
11%inclusion10 decks88 decks
11%synergy
Swan Song
10%inclusion9 decks88 decks
-9%synergy
Defend the Rider
10%inclusion1 decks10 decks
9%synergy
Planar Genesis
10%inclusion5 decks51 decks
-1%synergy
Refute
9.1%inclusion2 decks22 decks
7%synergy
Krosan Grip
9.1%inclusion8 decks88 decks
1%synergy
Fuel for the Cause
9.1%inclusion8 decks88 decks
8%synergy
Nature's Claim
9.1%inclusion8 decks88 decks
-1%synergy
Simic Charm
9.1%inclusion8 decks88 decks
1%synergy
An Offer You Can't Refuse
8.0%inclusion7 decks88 decks
-15%synergy
Mana Drain
8.0%inclusion7 decks88 decks
-8%synergy
Planar Incision
8.0%inclusion7 decks88 decks
6%synergy
Archdruid's Charm
7.6%inclusion6 decks79 decks
1%synergy
Essence Capture
6.8%inclusion6 decks88 decks
6%synergy
Experimental Augury
6.8%inclusion6 decks88 decks
4%synergy
Engulf the Shore
6.8%inclusion6 decks88 decks
5%synergy
Rewind
6.8%inclusion6 decks88 decks
4%synergy
March of Swirling Mist
6.8%inclusion6 decks88 decks
3%synergy
Unwind
6.8%inclusion6 decks88 decks
4%synergy
Gift of the Viper
5.9%inclusion3 decks51 decks
4%synergy
Gaea's Gift
5.7%inclusion5 decks88 decks
4%synergy
River Heralds' Boon
5.7%inclusion5 decks88 decks
5%synergy
Flow of Knowledge
5.7%inclusion5 decks88 decks
5%synergy
Repulsive Mutation
5.1%inclusion4 decks79 decks
0%synergy
Long River's Pull
5.0%inclusion2 decks40 decks
1%synergy
Sorceries
Aquitect's Will
57%inclusion50 decks88 decks
55%synergy
Wave Goodbye
55%inclusion48 decks88 decks
44%synergy
Kodama's Reach
53%inclusion47 decks88 decks
17%synergy
Rampant Growth
44%inclusion39 decks88 decks
4%synergy
Cultivate
43%inclusion38 decks88 decks
-4%synergy
Explore
39%inclusion34 decks88 decks
18%synergy
Farseek
18%inclusion16 decks88 decks
-7%synergy
Nature's Lore
18%inclusion16 decks88 decks
-12%synergy
Bygone Marvels
16%inclusion14 decks88 decks
13%synergy
Distant Melody
15%inclusion13 decks88 decks
11%synergy
Nature's Rhythm
14%inclusion1 decks7 decks
8%synergy
Curse of the Swine
11%inclusion10 decks88 decks
0%synergy
Tezzeret's Gambit
11%inclusion10 decks88 decks
7%synergy
Unnatural Restoration
10%inclusion9 decks88 decks
7%synergy
Over the Edge
10%inclusion9 decks88 decks
9%synergy
Ravenform
10%inclusion9 decks88 decks
6%synergy
Three Visits
9.1%inclusion8 decks88 decks
-14%synergy
Thirsting Roots
9.1%inclusion8 decks88 decks
7%synergy
Raise the Palisade
9.1%inclusion8 decks88 decks
3%synergy
Contentious Plan
8.0%inclusion7 decks88 decks
6%synergy
Skyshroud Claim
8.0%inclusion7 decks88 decks
-1%synergy
Commit // Memory
5.7%inclusion5 decks88 decks
4%synergy
Utility Artifacts
Swiftfoot Boots
48%inclusion42 decks88 decks
22%synergy
Ozolith, the Shattered Spire
34%inclusion30 decks88 decks
28%synergy
Bident of Thassa
34%inclusion30 decks88 decks
27%synergy
Quicksilver Fountain
30%inclusion26 decks88 decks
29%synergy
The Ozolith
18%inclusion16 decks88 decks
12%synergy
Lightning Greaves
18%inclusion16 decks88 decks
-4%synergy
Vedalken Orrery
17%inclusion15 decks88 decks
16%synergy
The Millennium Calendar
15%inclusion13 decks88 decks
13%synergy
The Great Henge
11%inclusion10 decks88 decks
2%synergy
Vanquisher's Banner
10%inclusion9 decks88 decks
8%synergy
Andúril, Narsil Reforged
9.1%inclusion8 decks88 decks
9%synergy
Herald's Horn
9.1%inclusion8 decks88 decks
5%synergy
Lux Cannon
6.8%inclusion6 decks88 decks
6%synergy
Adrestia
6.7%inclusion3 decks45 decks
7%synergy
Maskwood Nexus
5.7%inclusion5 decks88 decks
3%synergy
Sapphire Medallion
5.7%inclusion5 decks88 decks
2%synergy
Aether Vial
5.7%inclusion5 decks88 decks
5%synergy
Enchantments
Simic Ascendancy
55%inclusion48 decks88 decks
41%synergy
Hardened Scales
47%inclusion41 decks88 decks
32%synergy
Kindred Discovery
44%inclusion39 decks88 decks
34%synergy
Branching Evolution
42%inclusion37 decks88 decks
31%synergy
Reflections of Littjara
38%inclusion33 decks88 decks
30%synergy
Carpet of Flowers
34%inclusion30 decks88 decks
31%synergy
Unstoppable Plan
25%inclusion2 decks8 decks
23%synergy
Impostor Syndrome
25%inclusion1 decks4 decks
23%synergy
Leyline of Anticipation
24%inclusion21 decks88 decks
20%synergy
Spreading Seas
24%inclusion21 decks88 decks
23%synergy
Fishliver Oil
23%inclusion20 decks88 decks
22%synergy
Merrow Commerce
23%inclusion20 decks88 decks
18%synergy
Loading Zone
20%inclusion1 decks5 decks
18%synergy
Tribute to the World Tree
19%inclusion17 decks88 decks
13%synergy
Sphere Grid
14%inclusion1 decks7 decks
11%synergy
Innkeeper's Talent
13%inclusion5 decks40 decks
7%synergy
Bred for the Hunt
13%inclusion11 decks88 decks
8%synergy
The Sea Devils
11%inclusion10 decks88 decks
11%synergy
Bounty of the Luxa
11%inclusion10 decks88 decks
10%synergy
Wilderness Reclamation
10%inclusion9 decks88 decks
1%synergy
Court of Garenbrig
9.1%inclusion8 decks88 decks
6%synergy
Curiosity
9.1%inclusion8 decks88 decks
7%synergy
Wild Growth
9.1%inclusion8 decks88 decks
0%synergy
Hadana's Climb
9.1%inclusion8 decks88 decks
5%synergy
Fertile Ground
9.1%inclusion8 decks88 decks
7%synergy
Growing Rites of Itlimoc
9.1%inclusion8 decks88 decks
3%synergy
Inexorable Tide
8.0%inclusion7 decks88 decks
5%synergy
Doubling Season
6.8%inclusion6 decks88 decks
-3%synergy
Choke
6.8%inclusion6 decks88 decks
7%synergy
Primal Empathy
6.8%inclusion6 decks88 decks
4%synergy
Stasis
6.8%inclusion6 decks88 decks
7%synergy
Path of Discovery
5.7%inclusion5 decks88 decks
4%synergy
Overgrowth
5.7%inclusion5 decks88 decks
5%synergy
Propaganda
5.7%inclusion5 decks88 decks
-1%synergy
Planeswalkers
Jiang Yanggu, Wildcrafter
10%inclusion9 decks88 decks
9%synergy
Nissa, Voice of Zendikar
5.7%inclusion5 decks88 decks
4%synergy
Utility Lands
Reliquary Tower
57%inclusion50 decks88 decks
7%synergy
Karn's Bastion
47%inclusion41 decks88 decks
35%synergy
Alchemist's Refuge
45%inclusion40 decks88 decks
28%synergy
Llanowar Reborn
44%inclusion39 decks88 decks
39%synergy
Rogue's Passage
38%inclusion33 decks88 decks
16%synergy
Nesting Grounds
28%inclusion25 decks88 decks
25%synergy
Mosswort Bridge
27%inclusion24 decks88 decks
10%synergy
Yavimaya, Cradle of Growth
20%inclusion18 decks88 decks
-2%synergy
Novijen, Heart of Progress
20%inclusion18 decks88 decks
16%synergy
Temple of the False God
19%inclusion17 decks88 decks
4%synergy
Oran-Rief, the Vastwood
18%inclusion16 decks88 decks
13%synergy
Mystic Sanctuary
17%inclusion15 decks88 decks
5%synergy
Trenzalore Clocktower
17%inclusion15 decks88 decks
16%synergy
Blast Zone
16%inclusion14 decks88 decks
13%synergy
Drannith Ruins
15%inclusion13 decks88 decks
14%synergy
Three Tree City
13%inclusion5 decks40 decks
7%synergy
Tyrite Sanctum
8.0%inclusion7 decks88 decks
7%synergy
Otawara, Soaring City
6.8%inclusion6 decks88 decks
-12%synergy
Boseiju, Who Endures
5.7%inclusion5 decks88 decks
-17%synergy
Mana Artifacts
Sol Ring
77%inclusion68 decks88 decks
-3%synergy
Arcane Signet
66%inclusion58 decks88 decks
3%synergy
Simic Signet
43%inclusion38 decks88 decks
11%synergy
Everflowing Chalice
31%inclusion27 decks88 decks
26%synergy
Thought Vessel
27%inclusion24 decks88 decks
7%synergy
Midnight Clock
19%inclusion17 decks88 decks
17%synergy
Commander's Sphere
15%inclusion13 decks88 decks
7%synergy
Replicating Ring
13%inclusion11 decks88 decks
11%synergy
Empowered Autogenerator
11%inclusion10 decks88 decks
11%synergy
Aetheric Amplifier
10%inclusion1 decks10 decks
9%synergy
Talisman of Curiosity
9.1%inclusion8 decks88 decks
-12%synergy
Lands
Island
99%inclusion87 decks88 decks
3%synergy
Forest
97%inclusion85 decks88 decks
1%synergy
Command Tower
89%inclusion78 decks88 decks
3%synergy
Hinterland Harbor
77%inclusion68 decks88 decks
18%synergy
Simic Growth Chamber
63%inclusion55 decks88 decks
14%synergy
Temple of Mystery
56%inclusion49 decks88 decks
17%synergy
Vineglimmer Snarl
55%inclusion48 decks88 decks
16%synergy
Dreamroot Cascade
44%inclusion39 decks88 decks
2%synergy
Secluded Courtyard
40%inclusion35 decks88 decks
32%synergy
Unclaimed Territory
38%inclusion33 decks88 decks
30%synergy
Rejuvenating Springs
38%inclusion33 decks88 decks
-6%synergy
Path of Ancestry
36%inclusion32 decks88 decks
19%synergy
Flooded Grove
35%inclusion31 decks88 decks
-6%synergy
Breeding Pool
34%inclusion30 decks88 decks
-12%synergy
Myriad Landscape
32%inclusion28 decks88 decks
10%synergy
Yavimaya Coast
30%inclusion26 decks88 decks
-23%synergy
Vivid Creek
26%inclusion23 decks88 decks
25%synergy
Vivid Grove
25%inclusion22 decks88 decks
23%synergy
Willowrush Verge
18%inclusion2 decks11 decks
2%synergy
Misty Rainforest
18%inclusion16 decks88 decks
-13%synergy
Exotic Orchard
17%inclusion15 decks88 decks
-7%synergy
Barkchannel Pathway
17%inclusion15 decks88 decks
-3%synergy
Tangled Islet
14%inclusion12 decks88 decks
-3%synergy
Overflowing Basin
13%inclusion9 decks71 decks
-7%synergy
Tendo Ice Bridge
13%inclusion11 decks88 decks
12%synergy
Evolving Wilds
13%inclusion11 decks88 decks
-13%synergy
Terramorphic Expanse
11%inclusion10 decks88 decks
-8%synergy
Waterlogged Grove
11%inclusion10 decks88 decks
-9%synergy
Botanical Sanctum
11%inclusion10 decks88 decks
-1%synergy
Cavern of Souls
11%inclusion10 decks88 decks
5%synergy
Hedge Maze
11%inclusion9 decks80 decks
-8%synergy
Thornwood Falls
10%inclusion9 decks88 decks
-7%synergy
Fabled Passage
6.8%inclusion6 decks88 decks
-8%synergy
Littjara Mirrorlake
5.7%inclusion5 decks88 decks
2%synergy
Power Depot
5.7%inclusion5 decks88 decks
5%synergy
Reflecting Pool
5.7%inclusion5 decks88 decks
3%synergy
Simic Guildgate
5.7%inclusion5 decks88 decks
-5%synergy