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%inclusion80 decks93 decks
82%synergy
Master of the Pearl Trident
90%inclusion84 decks93 decks
80%synergy
Cold-Eyed Selkie
91%inclusion85 decks93 decks
79%synergy
Kumena, Tyrant of Orazca
78%inclusion73 decks93 decks
71%synergy
Stonybrook Banneret
77%inclusion72 decks93 decks
69%synergy
Svyelun of Sea and Sky
76%inclusion71 decks93 decks
67%synergy
Singer of Swift Rivers
74%inclusion69 decks93 decks
67%synergy
Deeproot Elite
73%inclusion68 decks93 decks
65%synergy
Emperor Mihail II
71%inclusion66 decks93 decks
62%synergy
Merrow Reejerey
70%inclusion65 decks93 decks
61%synergy
Top Cards
Herald of Secret Streams
72%inclusion67 decks93 decks
58%synergy
Deeproot Waters
68%inclusion63 decks93 decks
59%synergy
Seafloor Oracle
67%inclusion62 decks93 decks
59%synergy
Kopala, Warden of Waves
62%inclusion58 decks93 decks
53%synergy
Merfolk Sovereign
62%inclusion58 decks93 decks
54%synergy
Vorel of the Hull Clade
61%inclusion57 decks93 decks
53%synergy
Deeproot Pilgrimage
60%inclusion56 decks93 decks
53%synergy
Counterspell
60%inclusion56 decks93 decks
10%synergy
Lord of Atlantis
59%inclusion55 decks93 decks
53%synergy
Eluge, the Shoreless Sea
57%inclusion23 decks40 decks
56%synergy
Game Changers
Cyclonic Rift
20%inclusion19 decks93 decks
-6%synergy
Rhystic Study
13%inclusion12 decks93 decks
-9%synergy
Seedborn Muse
8.6%inclusion8 decks93 decks
-7%synergy
Worldly Tutor
7.5%inclusion7 decks93 decks
-8%synergy
Fierce Guardianship
5.4%inclusion5 decks93 decks
-12%synergy
Creatures
Starwinder
60%inclusion3 decks5 decks
53%synergy
Tatyova, Benthic Druid
56%inclusion52 decks93 decks
25%synergy
Stormtide Leviathan
53%inclusion49 decks93 decks
47%synergy
Kiora's Follower
53%inclusion49 decks93 decks
38%synergy
Mist Dancer
53%inclusion49 decks93 decks
46%synergy
Vodalian Hexcatcher
52%inclusion48 decks93 decks
45%synergy
Tishana, Voice of Thunder
47%inclusion44 decks93 decks
42%synergy
Prime Speaker Zegana
46%inclusion43 decks93 decks
36%synergy
Merfolk Skydiver
46%inclusion43 decks93 decks
40%synergy
Merfolk Mistbinder
45%inclusion42 decks93 decks
38%synergy
Harbinger of the Seas
43%inclusion23 decks53 decks
40%synergy
Arixmethes, Slumbering Isle
41%inclusion38 decks93 decks
27%synergy
Nicanzil, Current Conductor
40%inclusion37 decks93 decks
32%synergy
The Flood of Mars
40%inclusion37 decks93 decks
39%synergy
Zegana, Utopian Speaker
39%inclusion36 decks93 decks
31%synergy
Metallic Mimic
39%inclusion36 decks93 decks
33%synergy
Tributary Instructor
38%inclusion35 decks93 decks
33%synergy
Merrow Harbinger
37%inclusion34 decks93 decks
34%synergy
Chasm Skulker
33%inclusion31 decks93 decks
27%synergy
Master Biomancer
31%inclusion29 decks93 decks
25%synergy
Forgotten Ancient
30%inclusion28 decks93 decks
23%synergy
Tishana's Tidebinder
29%inclusion27 decks93 decks
23%synergy
Evolution Sage
29%inclusion27 decks93 decks
19%synergy
Summon: Leviathan
29%inclusion2 decks7 decks
21%synergy
Forerunner of the Heralds
28%inclusion26 decks93 decks
24%synergy
Deeproot Historian
27%inclusion25 decks93 decks
21%synergy
Murkfiend Liege
26%inclusion24 decks93 decks
11%synergy
Rishkar, Peema Renegade
26%inclusion24 decks93 decks
21%synergy
Realmwalker
26%inclusion24 decks93 decks
18%synergy
Colossal Whale
26%inclusion24 decks93 decks
25%synergy
Kami of Whispered Hopes
25%inclusion23 decks93 decks
18%synergy
Streambed Aquitects
23%inclusion21 decks93 decks
22%synergy
Benthic Biomancer
22%inclusion20 decks93 decks
15%synergy
Inkwell Leviathan
22%inclusion20 decks93 decks
17%synergy
Thieving Skydiver
22%inclusion20 decks93 decks
14%synergy
Thassa, God of the Sea
20%inclusion19 decks93 decks
15%synergy
Famished Worldsire
20%inclusion1 decks5 decks
18%synergy
Thada Adel, Acquisitor
19%inclusion18 decks93 decks
17%synergy
Deepfathom Echo
17%inclusion16 decks93 decks
14%synergy
Enclave Elite
15%inclusion14 decks93 decks
15%synergy
Rikku, Resourceful Guardian
14%inclusion1 decks7 decks
13%synergy
Sin, Unending Cataclysm
14%inclusion1 decks7 decks
11%synergy
Topography Tracker
14%inclusion13 decks93 decks
7%synergy
Rishadan Dockhand
14%inclusion13 decks93 decks
14%synergy
Lullmage Mentor
14%inclusion13 decks93 decks
12%synergy
Tide Shaper
14%inclusion13 decks93 decks
12%synergy
Merfolk Spy
14%inclusion13 decks93 decks
14%synergy
Sage of Fables
14%inclusion13 decks93 decks
12%synergy
Surgespanner
13%inclusion12 decks93 decks
9%synergy
Coralhelm Commander
11%inclusion10 decks93 decks
9%synergy
Instants
Growth Spiral
53%inclusion49 decks93 decks
8%synergy
Inspiring Call
52%inclusion48 decks93 decks
38%synergy
Beast Within
51%inclusion47 decks93 decks
0%synergy
Ripples of Potential
45%inclusion42 decks93 decks
35%synergy
Negate
39%inclusion36 decks93 decks
13%synergy
Aetherize
35%inclusion33 decks93 decks
24%synergy
Quandrix Command
34%inclusion32 decks93 decks
29%synergy
Rapid Hybridization
33%inclusion31 decks93 decks
7%synergy
Arcane Denial
26%inclusion24 decks93 decks
3%synergy
Ruinous Intrusion
25%inclusion23 decks93 decks
22%synergy
High Tide
20%inclusion19 decks93 decks
18%synergy
Seedship Impact
20%inclusion1 decks5 decks
19%synergy
Mutational Advantage
18%inclusion13 decks71 decks
14%synergy
Heroic Intervention
16%inclusion15 decks93 decks
-14%synergy
Silkguard
15%inclusion14 decks93 decks
14%synergy
Slip Out the Back
15%inclusion14 decks93 decks
11%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
14%inclusion13 decks93 decks
-11%synergy
Snakeskin Veil
12%inclusion11 decks93 decks
6%synergy
Return to Nature
12%inclusion11 decks93 decks
6%synergy
Piracy Charm
11%inclusion10 decks93 decks
11%synergy
Defend the Rider
10%inclusion1 decks10 decks
9%synergy
Planar Genesis
10%inclusion5 decks51 decks
-1%synergy
An Offer You Can't Refuse
10%inclusion9 decks93 decks
-13%synergy
Mana Drain
10%inclusion9 decks93 decks
-6%synergy
Swan Song
10%inclusion9 decks93 decks
-9%synergy
Refute
9.1%inclusion2 decks22 decks
7%synergy
Krosan Grip
8.6%inclusion8 decks93 decks
1%synergy
Fuel for the Cause
8.6%inclusion8 decks93 decks
8%synergy
Nature's Claim
8.6%inclusion8 decks93 decks
-1%synergy
Simic Charm
8.6%inclusion8 decks93 decks
1%synergy
Archdruid's Charm
7.6%inclusion6 decks79 decks
1%synergy
Planar Incision
7.5%inclusion7 decks93 decks
5%synergy
Flow of Knowledge
7.5%inclusion7 decks93 decks
7%synergy
Rewind
7.5%inclusion7 decks93 decks
5%synergy
Unwind
7.5%inclusion7 decks93 decks
5%synergy
Essence Capture
6.5%inclusion6 decks93 decks
5%synergy
Experimental Augury
6.5%inclusion6 decks93 decks
4%synergy
Engulf the Shore
6.5%inclusion6 decks93 decks
4%synergy
March of Swirling Mist
6.5%inclusion6 decks93 decks
2%synergy
Gift of the Viper
5.9%inclusion3 decks51 decks
4%synergy
Frantic Search
5.4%inclusion5 decks93 decks
0%synergy
Gaea's Gift
5.4%inclusion5 decks93 decks
3%synergy
River Heralds' Boon
5.4%inclusion5 decks93 decks
5%synergy
Reality Shift
5.4%inclusion5 decks93 decks
-9%synergy
Resculpt
5.4%inclusion5 decks93 decks
-1%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
56%inclusion52 decks93 decks
54%synergy
Kodama's Reach
55%inclusion51 decks93 decks
18%synergy
Wave Goodbye
54%inclusion50 decks93 decks
43%synergy
Rampant Growth
45%inclusion42 decks93 decks
5%synergy
Cultivate
45%inclusion42 decks93 decks
-2%synergy
Explore
38%inclusion35 decks93 decks
17%synergy
Farseek
18%inclusion17 decks93 decks
-6%synergy
Nature's Lore
18%inclusion17 decks93 decks
-12%synergy
Bygone Marvels
15%inclusion14 decks93 decks
12%synergy
Nature's Rhythm
14%inclusion1 decks7 decks
8%synergy
Distant Melody
14%inclusion13 decks93 decks
11%synergy
Curse of the Swine
12%inclusion11 decks93 decks
1%synergy
Tezzeret's Gambit
11%inclusion10 decks93 decks
7%synergy
Unnatural Restoration
10%inclusion9 decks93 decks
7%synergy
Over the Edge
10%inclusion9 decks93 decks
8%synergy
Skyshroud Claim
10%inclusion9 decks93 decks
1%synergy
Thirsting Roots
10%inclusion9 decks93 decks
8%synergy
Ravenform
10%inclusion9 decks93 decks
5%synergy
Three Visits
8.6%inclusion8 decks93 decks
-14%synergy
Contentious Plan
8.6%inclusion8 decks93 decks
6%synergy
Raise the Palisade
8.6%inclusion8 decks93 decks
2%synergy
Commit // Memory
5.4%inclusion5 decks93 decks
4%synergy
Bala Ged Recovery
5.4%inclusion5 decks93 decks
-5%synergy
Tsunami
5.4%inclusion5 decks93 decks
5%synergy
Utility Artifacts
Swiftfoot Boots
47%inclusion44 decks93 decks
22%synergy
Ozolith, the Shattered Spire
35%inclusion33 decks93 decks
29%synergy
Bident of Thassa
35%inclusion33 decks93 decks
28%synergy
Quicksilver Fountain
29%inclusion27 decks93 decks
28%synergy
The Ozolith
17%inclusion16 decks93 decks
11%synergy
The Millennium Calendar
17%inclusion16 decks93 decks
16%synergy
Vedalken Orrery
17%inclusion16 decks93 decks
16%synergy
Lightning Greaves
17%inclusion16 decks93 decks
-5%synergy
The Great Henge
11%inclusion10 decks93 decks
2%synergy
Vanquisher's Banner
10%inclusion9 decks93 decks
7%synergy
Andúril, Narsil Reforged
10%inclusion9 decks93 decks
9%synergy
Herald's Horn
8.6%inclusion8 decks93 decks
5%synergy
Lux Cannon
7.5%inclusion7 decks93 decks
7%synergy
Adrestia
6.7%inclusion3 decks45 decks
7%synergy
Maskwood Nexus
5.4%inclusion5 decks93 decks
3%synergy
Sapphire Medallion
5.4%inclusion5 decks93 decks
2%synergy
Aether Vial
5.4%inclusion5 decks93 decks
5%synergy
Enchantments
Simic Ascendancy
54%inclusion50 decks93 decks
40%synergy
Hardened Scales
46%inclusion43 decks93 decks
31%synergy
Kindred Discovery
44%inclusion41 decks93 decks
34%synergy
Branching Evolution
42%inclusion39 decks93 decks
31%synergy
Reflections of Littjara
38%inclusion35 decks93 decks
30%synergy
Carpet of Flowers
33%inclusion31 decks93 decks
31%synergy
Unstoppable Plan
25%inclusion2 decks8 decks
23%synergy
Impostor Syndrome
25%inclusion1 decks4 decks
23%synergy
Leyline of Anticipation
24%inclusion22 decks93 decks
19%synergy
Spreading Seas
24%inclusion22 decks93 decks
23%synergy
Fishliver Oil
23%inclusion21 decks93 decks
22%synergy
Merrow Commerce
23%inclusion21 decks93 decks
18%synergy
Loading Zone
20%inclusion1 decks5 decks
18%synergy
Tribute to the World Tree
19%inclusion18 decks93 decks
13%synergy
Sphere Grid
14%inclusion1 decks7 decks
11%synergy
Innkeeper's Talent
13%inclusion5 decks40 decks
7%synergy
Bred for the Hunt
12%inclusion11 decks93 decks
7%synergy
The Sea Devils
11%inclusion10 decks93 decks
10%synergy
Bounty of the Luxa
11%inclusion10 decks93 decks
10%synergy
Court of Garenbrig
10%inclusion9 decks93 decks
7%synergy
Wilderness Reclamation
10%inclusion9 decks93 decks
1%synergy
Growing Rites of Itlimoc
10%inclusion9 decks93 decks
4%synergy
Curiosity
8.6%inclusion8 decks93 decks
6%synergy
Wild Growth
8.6%inclusion8 decks93 decks
0%synergy
Hadana's Climb
8.6%inclusion8 decks93 decks
5%synergy
Fertile Ground
8.6%inclusion8 decks93 decks
7%synergy
Inexorable Tide
7.5%inclusion7 decks93 decks
5%synergy
Doubling Season
6.5%inclusion6 decks93 decks
-3%synergy
Choke
6.5%inclusion6 decks93 decks
6%synergy
Primal Empathy
6.5%inclusion6 decks93 decks
4%synergy
Path of Discovery
6.5%inclusion6 decks93 decks
4%synergy
Propaganda
6.5%inclusion6 decks93 decks
0%synergy
Stasis
6.5%inclusion6 decks93 decks
6%synergy
Cryptolith Rite
5.4%inclusion5 decks93 decks
2%synergy
Overgrowth
5.4%inclusion5 decks93 decks
4%synergy
Planeswalkers
Jiang Yanggu, Wildcrafter
11%inclusion10 decks93 decks
9%synergy
Nissa, Voice of Zendikar
6.5%inclusion6 decks93 decks
5%synergy
Utility Lands
Reliquary Tower
58%inclusion54 decks93 decks
8%synergy
Alchemist's Refuge
47%inclusion44 decks93 decks
30%synergy
Karn's Bastion
47%inclusion44 decks93 decks
36%synergy
Llanowar Reborn
45%inclusion42 decks93 decks
40%synergy
Rogue's Passage
38%inclusion35 decks93 decks
16%synergy
Nesting Grounds
28%inclusion26 decks93 decks
24%synergy
Mosswort Bridge
27%inclusion25 decks93 decks
9%synergy
Novijen, Heart of Progress
20%inclusion19 decks93 decks
16%synergy
Yavimaya, Cradle of Growth
19%inclusion18 decks93 decks
-3%synergy
Temple of the False God
19%inclusion18 decks93 decks
4%synergy
Mystic Sanctuary
17%inclusion16 decks93 decks
5%synergy
Trenzalore Clocktower
17%inclusion16 decks93 decks
17%synergy
Oran-Rief, the Vastwood
17%inclusion16 decks93 decks
12%synergy
Blast Zone
16%inclusion15 decks93 decks
13%synergy
Drannith Ruins
15%inclusion14 decks93 decks
14%synergy
Three Tree City
13%inclusion5 decks40 decks
7%synergy
Tyrite Sanctum
7.5%inclusion7 decks93 decks
6%synergy
Otawara, Soaring City
6.5%inclusion6 decks93 decks
-13%synergy
Boseiju, Who Endures
5.4%inclusion5 decks93 decks
-17%synergy
Mana Artifacts
Sol Ring
78%inclusion73 decks93 decks
-2%synergy
Arcane Signet
65%inclusion60 decks93 decks
2%synergy
Simic Signet
42%inclusion39 decks93 decks
10%synergy
Everflowing Chalice
31%inclusion29 decks93 decks
27%synergy
Thought Vessel
28%inclusion26 decks93 decks
8%synergy
Midnight Clock
20%inclusion19 decks93 decks
18%synergy
Commander's Sphere
14%inclusion13 decks93 decks
6%synergy
Replicating Ring
13%inclusion12 decks93 decks
11%synergy
Empowered Autogenerator
11%inclusion10 decks93 decks
10%synergy
Aetheric Amplifier
10%inclusion1 decks10 decks
9%synergy
Talisman of Curiosity
8.6%inclusion8 decks93 decks
-13%synergy
Lands
Island
99%inclusion92 decks93 decks
3%synergy
Forest
97%inclusion90 decks93 decks
1%synergy
Command Tower
89%inclusion83 decks93 decks
4%synergy
Hinterland Harbor
76%inclusion71 decks93 decks
17%synergy
Simic Growth Chamber
63%inclusion59 decks93 decks
15%synergy
Temple of Mystery
56%inclusion52 decks93 decks
18%synergy
Vineglimmer Snarl
54%inclusion50 decks93 decks
15%synergy
Dreamroot Cascade
44%inclusion41 decks93 decks
2%synergy
Secluded Courtyard
40%inclusion37 decks93 decks
32%synergy
Rejuvenating Springs
39%inclusion36 decks93 decks
-5%synergy
Unclaimed Territory
38%inclusion35 decks93 decks
30%synergy
Path of Ancestry
37%inclusion34 decks93 decks
19%synergy
Breeding Pool
34%inclusion32 decks93 decks
-11%synergy
Flooded Grove
34%inclusion32 decks93 decks
-6%synergy
Myriad Landscape
31%inclusion29 decks93 decks
9%synergy
Yavimaya Coast
29%inclusion27 decks93 decks
-23%synergy
Vivid Creek
26%inclusion24 decks93 decks
24%synergy
Vivid Grove
25%inclusion23 decks93 decks
23%synergy
Misty Rainforest
18%inclusion17 decks93 decks
-13%synergy
Willowrush Verge
18%inclusion2 decks11 decks
2%synergy
Exotic Orchard
16%inclusion15 decks93 decks
-8%synergy
Barkchannel Pathway
16%inclusion15 decks93 decks
-4%synergy
Tangled Islet
14%inclusion13 decks93 decks
-2%synergy
Cavern of Souls
13%inclusion12 decks93 decks
7%synergy
Tendo Ice Bridge
13%inclusion12 decks93 decks
13%synergy
Overflowing Basin
13%inclusion9 decks71 decks
-7%synergy
Evolving Wilds
12%inclusion11 decks93 decks
-13%synergy
Hedge Maze
11%inclusion9 decks80 decks
-8%synergy
Terramorphic Expanse
11%inclusion10 decks93 decks
-9%synergy
Waterlogged Grove
11%inclusion10 decks93 decks
-10%synergy
Botanical Sanctum
11%inclusion10 decks93 decks
-2%synergy
Thornwood Falls
10%inclusion9 decks93 decks
-8%synergy
Fabled Passage
6.5%inclusion6 decks93 decks
-8%synergy
Littjara Mirrorlake
6.5%inclusion6 decks93 decks
2%synergy
Simic Guildgate
6.5%inclusion6 decks93 decks
-4%synergy
Power Depot
5.4%inclusion5 decks93 decks
5%synergy
Reflecting Pool
5.4%inclusion5 decks93 decks
2%synergy
Bala Ged Recovery
5.4%inclusion5 decks93 decks
-5%synergy