All precons



Commander Precon
Symbiotic Swarm
Ikoria: Lair of Behemoths(c20)
May 15, 2020
Power level
2.7±0.4
Early build
Core idea exists, but ratios, ramp, draw, and interaction still need major refinement.
High confidence155 pts
Estimated win turn
T8best
T9typical
T11+contested
Vector breakdown
Commander Synergy+1ⓘ
Heavy Curve−10ⓘ
Fast mana1
Mana rocks3
Land ramp5
Other acceleration2
No cards in Mana dorks, Other acceleration, Treasure generators, Minor treasure
Commander Synergy+1ⓘ
Draw engines1
Cantrips & burst draw5
Recursion10
Value engines6
No cards in Tutors, Wheels, Scry & Surveil, Synergy support
Artifact/enchantment removal2
Spot removal6
Graveyard hate2
Board wipes2
Protection4
Soft interaction3
No cards in Counterspells, Land destruction, Stax & hate, Edict effects
Mana Acceleration+2ⓘ
Fetchlands2
Dual & shock lands1
Premium utility lands2
Utility lands7
Taplands8
Basic lands3
No cards in Fast & check lands
Combat Damage Synergy+25ⓘ
Commander Synergy+2ⓘ
Combo pieces1
Synergy pieces6
Combat threats16
Drain effects2
Token generators2
Reanimation3
Enablers1
Other1
No cards in Win conditions, Sacrifice outlets, Clone effects, Extra turns, Extra combats, Group slug, Damage multipliers, Mass reanimation, Alternate win strategies
Bracket
1
Bracket 1Exhibition
Theme-focused decks prioritizing creativity over power. No Game Changers, no 2-card combos.
Power level 2.7 → Bracket 1
1.7 above Bracket 0 ceiling (1)
0.3 below Bracket 2 threshold (3)
Markers
Learn more →✕Game Changers — none
✕Mass land denial — none
✕2-card combo — none
✕Extra turns — none
Themes7 total
Voltron (Commander)18 cards
This deck equips or enchants the commander to deal commander damage.
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Stompy / Big Mana18 cards
18 high-impact creatures. Ramp into massive threats that dominate the board.
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Lifegain14 cards
14 lifegain synergies. Gain life to trigger payoffs and outlast opponents.
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How does a customized list compare?
Import a modified Symbiotic Swarm to see how changes affect power level, bracket, and the vector profile.