Just Keep Swimming

Commander
UBMarvo, Deep Operative
5.8±0.3
Focused casual
Reliable game plan with intentional card choices; still moderate speed and interaction.
High confidence(398 pts)
Estimated win turn
T8best
T9typical
T10+contested
Vector breakdown
Heavy Curve (51% CMC 5+)+-10ⓘ
Fast mana2
1Sol Ring+10
UHigh Tide+8
Mana rocks7
2Arcane Signet+6
2Fellwar Stone+5
2Talisman of Dominance+5
2Dimir Signet+4
4Thran Dynamo+6
5Gilded Lotus+5
5Throne of Eldraine+4
Land ramp1
1Wayfarer's Bauble+5
Other acceleration1
8Elder Deep-Fiend+1
Treasure generators1
2UKozilek's Unsealing+1
Commander Draw Engine (Marvo, Deep Operative provides card draw)+10ⓘ
Draw engines8
1BKeen Duelist+1
1UUSea-Dasher Octopus+5
2UKozilek's Unsealing+1
5Throne of Eldraine+4
3UUStormsurge Kraken+1
4UUSummon: Leviathan+3
5UUNezahal, Primal Tide+3
5UUStarwinder+1
Cantrips & burst draw8
UBrainstorm+6
UPreordain+5
UQuest for Ula's Temple+1
1UResearch the Deep+2
1UBRuno Stromkirk // Krothuss, Lord of the Deep+4
2UBrainsurge+1
2USwallowed by Leviathan+1
7UTreasure Cruise+7
Recursion2
4U/BU/BGyruda, Doom of Depths+1
Mystic Sanctuary+2
Value engines4
1UOminous Seas+4
5UUMind's Dilation+5
5U/BU/BDream Harvest+1
6UUOne with the Multiverse+5
Counterspells6
UAn Offer You Can't Refuse+7
UUCounterspell+8
1UArcane Denial+8
1UNegate+6
2USwallowed by Leviathan+1
2UUScattering Stroke+9
Spot removal11
1UThing in the Ice // Awoken Horror+7
1UWhirlpool Whelm+2
2UUWhelming Wave+7
3UAetherize+7
4UMonstrosity of the Lake+3
4UUCrush of Tentacles+10
4UUSummon: Leviathan+3
5UUScourge of Fleets+1
6UUSlinn Voda, the Rising Deep+6
6UUBrinelin, the Moon Kraken+1
8Elder Deep-Fiend+1
Stax & hate2
4UUGrappling Kraken+2
7UUBreaching Leviathan+1
Protection2
5UUNezahal, Primal Tide+3
6UUStar Whale+5
Mana Acceleration (11 sources)+1ⓘ
Two-Color Powerhouse Lands (1)+1ⓘ
Dual & shock lands5
Watery Grave+6
Morphic Pool+5
Darkslick Shores+5
Drowned Catacomb+4
Underground River+4
Premium utility lands2
Path of Ancestry+6
Command Tower+5
Utility lands11
Mystic Sanctuary+3
Dreadship Reef+2
Darkwater Catacombs+2
Clearwater Pathway // Murkwater Pathway+2
Myriad Landscape+2
Reliquary Tower+2
Gloomlake Verge+2
Tainted Isle+2
Fetid Pools+2
Sunken Hollow+2
Shipwreck Marsh+2
Taplands10
1UUSink into Stupor // Soporific Springs+2
2BBFell the Profane // Fell Mire+2
Mortuary Mire+2
Halimar Depths+2
Dimir Aqueduct+2
Bojuka Bog+2
Moonring Island+2
Restless Reef+2
Choked Estuary+2
Undercity Sewers+2
Basic lands2
Island+6
Swamp+6
1 Combo Family (1 lines, Consistency: 40%)+17ⓘ
Combat Damage Synergy: 1 haste enabler, 1 evasion enabler, aristocrats engine+13ⓘ
Combo pieces2
1Sol Ring+4
5UUHullbreaker Horror+10
Synergy pieces5
2UURite of Replication+6
3UUBWrexial, the Risen Deep+9
5UUULorthos, the Tidemaker+2
7UUBreaching Leviathan+1
7UUUDeep-Sea Kraken+5
Win conditions2
UQuest for Ula's Temple+1
8Eldrazi Conscription+1
Combat threats4
3UUStormsurge Kraken+1
4UUSerpent of Yawning Depths+1
5UUTromokratis+1
7UUInkwell Leviathan+1
Token generators4
1UOminous Seas+4
2UKozilek's Unsealing+1
5USpawning Kraken+4
6UBenthic Anomaly+4
Reanimation1
4U/BU/BGyruda, Doom of Depths+1

Bracket

3
Bracket 3Upgraded
Strong synergy and high card quality. Up to 3 Game Changers, late-game combos OK.
Breakdown
Learn more →
✓
Power level 5.8 → Bracket 3
Interaction86Mana base84Threats83

1.3 above Bracket 2 ceiling (4.5)

0.7 below Bracket 4 threshold (6.5)

✕Game changers — none
✕Mass land denial — none
✕2-card combo — none
✕Extra turns — none

Themes9 total

Stompy / Big Mana22 cards

22 high-impact creatures. Ramp into massive threats that dominate the board.

Scourge of Fleets,Serpent of Yawning Depths,Wrexial, the Risen Deep,Breaching Leviathan,Deep-Sea Kraken
Blink/Flicker10 cards

10 blink/flicker effects. Reuse enter-the-battlefield triggers repeatedly.

Mystic Sanctuary,Mortuary Mire,Nezahal, Primal Tide,Slinn Voda, the Rising Deep,Runo Stromkirk // Krothuss, Lord of the Deep
Legends Matter9 cards

9 legendary synergies. Your legends grow stronger together.

Wrexial, the Risen Deep,Nezahal, Primal Tide,Slinn Voda, the Rising Deep,Runo Stromkirk // Krothuss, Lord of the Deep,Monstrosity of the Lake

Combos1 total