Mind Flayarrrs Precon Upgrade: 33 Budget Swaps for $26.13

Upgraded Decklist

Your upgraded Mind Flayarrrs.

100 / 100 cards · 33 new

Creatures 31$85.51

Creatures continued

Instants 8$5.21

Sorceries 7$5.65

Artifacts 12$24.80

Enchantments 4$11.73

Lands 37$17.32

Lands continued

Upgrade Guide

Swap these cards.

10 swaps · All suggested swaps

Cards to swapMaximum per added card · USD

About 17% of the recorded Captain N'ghathrod decks are this precon almost unchanged.

All suggested swaps: 33 swaps. No further swaps meet the model’s play-rate, role, and price criteria.

Spells 21

$15.14

Spells to add, each with the card it replaces
#	Add	Price	Take out	Your call
1	Ruin Crab Theme/Synergy synergy staple	$1.20	Swamp Lands	Skip the new card Keep the old card
2	Silent Hallcreeper Card Draw synergy staple	$1.16	Plague Spitter Board Wipes	Skip the new card Keep the old card
3	Syr Konrad, the Grim Theme/Synergy synergy staple	$1.00	Dross Harvester Protection	Skip the new card Keep the old card
4	Drown in Dreams Card Draw synergy	$1.00	Dark Hatchling Tgt Removal	Skip the new card Keep the old card
5	Thing in the Ice // Awoken Horror Board Wipes synergy	$0.52	Dusk Mangler Tgt Removal	Skip the new card Keep the old card
6	Didn't Say Please Counterspells synergy staple fills a gap	$0.37	Hex Tgt Removal	Skip the new card Keep the old card
7	Elder Brain Card Draw synergy	$0.80	In Garruk's Wake Board Wipes	Skip the new card Keep the old card
8	Cut Your Losses Theme/Synergy synergy	$1.64	Psychosis Crawler Card Draw	Skip the new card Keep the old card
9	Negate Counterspells synergy staple fills a gap	$0.17	Leyline of Anticipation Theme/Synergy	Skip the new card Keep the old card
10	Dark Ritual Ramp synergy staple	$0.44	Woe Strider Recursion	Skip the new card Keep the old card
11	Singularity Rupture Board Wipes synergy staple	$0.55	From the Catacombs Tutors	Skip the new card Keep the old card
12	Thought Collapse Counterspells synergy fills a gap	$0.23	Everflowing Chalice Ramp	Skip the new card Keep the old card
13	Cruel Somnophage // Can't Wake Up Theme/Synergy synergy	$0.41	Curtains' Call Board Wipes	Skip the new card Keep the old card
14	Fraying Sanity Theme/Synergy synergy	$0.58	Fact or Fiction Card Draw	Skip the new card Keep the old card
15	Swiftfoot Boots Protection synergy staple	$1.54	Black Market Ramp	Skip the new card Keep the old card
16	Arvinox, the Mind Flail Theme/Synergy synergy	$0.34	Nihilith Theme/Synergy	Skip the new card Keep the old card
17	Duskmantle Guildmage Theme/Synergy synergy	$0.76	Syphon Mind Card Draw	Skip the new card Keep the old card
18	Thought Scour Card Draw synergy staple	$0.42	Phyrexian Rager Card Draw	Skip the new card Keep the old card
19	Terisian Mindbreaker Recursion synergy	$1.02	Phyrexian Revoker Tgt Removal	Skip the new card Keep the old card
20	Fellwar Stone Ramp synergy staple	$0.59	Pull from Tomorrow Card Draw	Skip the new card Keep the old card
21	Defiler of Flesh Ramp synergy	$0.40	Dauthi Horror Theme/Synergy	Skip the new card Keep the old card

Lands 12

$10.99

Lands to add, each with the card it replaces
#	Add	Price	Take out	Your call
1	Shipwreck Marsh Lands synergy staple	$1.42	Drownyard Temple Lands	Skip the new card Keep the old card
2	Drowned Catacomb Lands synergy staple	$0.42	Ash Barrens Lands	Skip the new card Keep the old card
3	Bojuka Bog Lands synergy staple	$1.18	Swamp Lands	Skip the new card Keep the old card
4	Restless Reef Lands synergy	$1.85	Swamp Lands	Skip the new card Keep the old card
5	Underground River Lands synergy staple	$0.53	Island Lands	Skip the new card Keep the old card
6	Jidoor, Aristocratic Capital // Overture Lands synergy	$1.26	Swamp Lands	Skip the new card Keep the old card
7	Sunken Ruins Lands synergy staple	$0.50	Island Lands	Skip the new card Keep the old card
8	Fabled Passage Lands synergy staple	$0.77	Swamp Lands	Skip the new card Keep the old card
9	Evolving Wilds Lands synergy staple	$0.09	Island Lands	Skip the new card Keep the old card
10	Darkslick Shores Lands synergy staple	$1.70	Swamp Lands	Skip the new card Keep the old card
11	Dismal Backwater Lands synergy staple	$0.13	Island Lands	Skip the new card Keep the old card
12	Mystic Sanctuary Lands synergy staple	$1.14	Swamp Lands	Skip the new card Keep the old card

To change a swap, select another addition or keep the proposed cut, then update suggestions. Open each card to read its abilities.

Lands. 38 lands as sold, 37 after these swaps; typical builds run 37. Change the number of basics in the deck workspace.

Reset to the default upgrade

Compare deck statistics

What the upgrade changes.

The deck as sold compared with the upgraded deck
Statistic	As sold	Upgraded
Singles value	$157.27	$164.26
Average mana value	3.73	3.44
Game Changers	0	0
Combos	0	4
Deck match	88%	89%

Mana curve

Mana value 0: 1 as sold, 0 upgraded
Mana value 1: 1 as sold, 4 upgraded
Mana value 2: 15 as sold, 19 upgraded
Mana value 3: 15 as sold, 15 upgraded
Mana value 4: 10 as sold, 8 upgraded
Mana value 5: 11 as sold, 9 upgraded
Mana value 6: 5 as sold, 3 upgraded
Mana value 7+: 4 as sold, 5 upgraded

Each pair of bars is the deck as sold (gray) and the upgraded deck (blue). The curve and the average cover Captain N'ghathrod and every nonland card. Game Changers are the cards on the official Commander Game Changers list. Combos are the two- to four-card combos from Commander Spellbook that the 100 cards hold every piece of. Deck match says how much of what this commander’s decks usually play the list captures.

Roles

Cards per role: as sold, typical for this commander, and upgraded
Role	As sold	Typical	Upgraded
Lands	38	37	37
Ramp	10	10	11
Card draw	11	12	10
Targeted removal	10	7	6
Board wipes	4	2	3
Counterspells	1	2	4
Protection	5	4	5
Tutors	1	1	0

Typical is the median count across this commander’s decks. Each card counts toward its main role only. A swap never takes a role below 80% of its typical count unless the new card fills the same role.