Osgir, the Reconstructor (Commander) - cEDH Combo

Background image for Edge of Eternities - Ragost, Deft Gastronaut Deck Tech
Brian Cain
Jul 21, 2025
Edge of Eternities - Ragost, Deft Gastronaut Deck Tech
Turn all your artifacts into Food, and feed your opponents to death. That's what this Commander deck does, with Ragost, Deft Gastronaut.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Bender's Waterskin
13%inclusion1 decks8 decks
11%synergy
High Synergy Cards
Goblin Engineer
92%inclusion11 decks12 decks
86%synergy
Ancient Den
92%inclusion11 decks12 decks
79%synergy
Great Furnace
92%inclusion11 decks12 decks
79%synergy
Silence
83%inclusion10 decks12 decks
78%synergy
Inventors' Fair
83%inclusion10 decks12 decks
74%synergy
Karn, the Great Creator
75%inclusion9 decks12 decks
74%synergy
Pyroblast
75%inclusion9 decks12 decks
71%synergy
Oswald Fiddlebender
75%inclusion9 decks12 decks
70%synergy
Red Elemental Blast
75%inclusion9 decks12 decks
70%synergy
Vexing Bauble
67%inclusion8 decks12 decks
65%synergy
Top Cards
Sevinne's Reclamation
75%inclusion9 decks12 decks
63%synergy
Deflecting Swat
75%inclusion9 decks12 decks
60%synergy
Esper Sentinel
67%inclusion8 decks12 decks
41%synergy
Goblin Welder
67%inclusion8 decks12 decks
63%synergy
Swords to Plowshares
67%inclusion8 decks12 decks
1%synergy
Ranger-Captain of Eos
67%inclusion8 decks12 decks
63%synergy
Reckless Handling
67%inclusion8 decks12 decks
63%synergy
Archivist of Oghma
58%inclusion7 decks12 decks
53%synergy
Smothering Tithe
58%inclusion7 decks12 decks
38%synergy
Walking Ballista
58%inclusion7 decks12 decks
56%synergy
Game Changers
Ancient Tomb
92%inclusion11 decks12 decks
84%synergy
The One Ring
92%inclusion11 decks12 decks
86%synergy
Mana Vault
92%inclusion11 decks12 decks
88%synergy
Gamble
92%inclusion11 decks12 decks
85%synergy
Enlightened Tutor
92%inclusion11 decks12 decks
76%synergy
Chrome Mox
92%inclusion11 decks12 decks
88%synergy
Mox Diamond
83%inclusion10 decks12 decks
81%synergy
Jeska's Will
75%inclusion9 decks12 decks
59%synergy
Grim Monolith
67%inclusion8 decks12 decks
66%synergy
Lion's Eye Diamond
67%inclusion8 decks12 decks
66%synergy
Creatures
Drannith Magistrate
58%inclusion7 decks12 decks
53%synergy
Zirda, the Dawnwaker
50%inclusion6 decks12 decks
46%synergy
Witch Enchanter
42%inclusion5 decks12 decks
29%synergy
Heliod, Sun-Crowned
42%inclusion5 decks12 decks
40%synergy
Grand Abolisher
42%inclusion5 decks12 decks
31%synergy
Ethersworn Canonist
42%inclusion5 decks12 decks
38%synergy
Simian Spirit Guide
33%inclusion4 decks12 decks
29%synergy
Thran Spider
33%inclusion4 decks12 decks
33%synergy
Archon of Emeria
33%inclusion4 decks12 decks
29%synergy
Auriok Salvagers
33%inclusion4 decks12 decks
33%synergy
Professional Face-Breaker
25%inclusion3 decks12 decks
11%synergy
Imperial Recruiter
25%inclusion3 decks12 decks
15%synergy
Myr Welder
25%inclusion3 decks12 decks
25%synergy
Voice of Victory
20%inclusion2 decks10 decks
12%synergy
Foundry Inspector
17%inclusion2 decks12 decks
7%synergy
Marvin, Murderous Mimic
17%inclusion2 decks12 decks
12%synergy
Stoneforge Mystic
17%inclusion2 decks12 decks
5%synergy
Ragavan, Nimble Pilferer
17%inclusion2 decks12 decks
9%synergy
Brash Taunter
17%inclusion2 decks12 decks
10%synergy
Palladium Myr
17%inclusion2 decks12 decks
14%synergy
Treasonous Ogre
17%inclusion2 decks12 decks
16%synergy
Phyrexian Dreadnought
17%inclusion2 decks12 decks
17%synergy
Ocelot Pride
17%inclusion2 decks12 decks
11%synergy
Myr Retriever
17%inclusion2 decks12 decks
12%synergy
Recruiter of the Guard
17%inclusion2 decks12 decks
9%synergy
Aven Mindcensor
17%inclusion2 decks12 decks
12%synergy
Rug of Smothering
17%inclusion2 decks12 decks
16%synergy
Pinnacle Monk
17%inclusion2 decks12 decks
12%synergy
Weftstalker Ardent
13%inclusion1 decks8 decks
1%synergy
Scrawling Crawler
9.1%inclusion1 decks11 decks
8%synergy
Voyager Quickwelder
9.1%inclusion1 decks11 decks
5%synergy
Cogwork Assembler
8.3%inclusion1 decks12 decks
8%synergy
Junk Diver
8.3%inclusion1 decks12 decks
5%synergy
Dragon's Rage Channeler
8.3%inclusion1 decks12 decks
7%synergy
Doorkeeper Thrull
8.3%inclusion1 decks12 decks
8%synergy
Glaring Fleshraker
8.3%inclusion1 decks12 decks
8%synergy
Weathered Wayfarer
8.3%inclusion1 decks12 decks
5%synergy
Scrap Trawler
8.3%inclusion1 decks12 decks
3%synergy
Crashing Drawbridge
8.3%inclusion1 decks12 decks
8%synergy
Ornithopter of Paradise
8.3%inclusion1 decks12 decks
-5%synergy
Hushbringer
8.3%inclusion1 decks12 decks
8%synergy
Magda, Brazen Outlaw
8.3%inclusion1 decks12 decks
6%synergy
Hotfoot Gnome
8.3%inclusion1 decks12 decks
8%synergy
Urabrask, Heretic Praetor
8.3%inclusion1 decks12 decks
7%synergy
Emrakul, the Promised End
8.3%inclusion1 decks12 decks
8%synergy
Mishra, Excavation Prodigy
8.3%inclusion1 decks12 decks
8%synergy
Audacious Reshapers
8.3%inclusion1 decks12 decks
7%synergy
Crime Novelist
8.3%inclusion1 decks12 decks
5%synergy
Flamescroll Celebrant
8.3%inclusion1 decks12 decks
8%synergy
Magus of the Moon
8.3%inclusion1 decks12 decks
6%synergy
Instants
Path to Exile
42%inclusion5 decks12 decks
-15%synergy
Orim's Chant
33%inclusion4 decks12 decks
31%synergy
Tibalt's Trickery
33%inclusion4 decks12 decks
28%synergy
Angel's Grace
33%inclusion4 decks12 decks
31%synergy
Wear // Tear
33%inclusion4 decks12 decks
12%synergy
Teferi's Protection
25%inclusion3 decks12 decks
8%synergy
Pull from Eternity
25%inclusion3 decks12 decks
24%synergy
Everybody Lives!
25%inclusion3 decks12 decks
23%synergy
Lightning Bolt
25%inclusion3 decks12 decks
14%synergy
Final Fortune
25%inclusion3 decks12 decks
24%synergy
Reprieve
25%inclusion3 decks12 decks
17%synergy
Dispatch
17%inclusion2 decks12 decks
3%synergy
Ricochet Trap
17%inclusion2 decks12 decks
16%synergy
Untimely Malfunction
17%inclusion2 decks12 decks
5%synergy
Get Lost
17%inclusion2 decks12 decks
13%synergy
Razorgrass Ambush
17%inclusion2 decks12 decks
12%synergy
Final Showdown
17%inclusion2 decks12 decks
14%synergy
Tempest of Light
17%inclusion2 decks12 decks
17%synergy
Demand Answers
17%inclusion2 decks12 decks
8%synergy
Bolt Bend
17%inclusion2 decks12 decks
13%synergy
Glorious End
17%inclusion2 decks12 decks
17%synergy
Flare of Duplication
17%inclusion2 decks12 decks
15%synergy
Abrade
17%inclusion2 decks12 decks
4%synergy
Faithless Salvaging
8.3%inclusion1 decks12 decks
8%synergy
Chaos Warp
8.3%inclusion1 decks12 decks
-23%synergy
Mogg Salvage
8.3%inclusion1 decks12 decks
8%synergy
Thrill of Possibility
8.3%inclusion1 decks12 decks
-3%synergy
Improvised Club
8.3%inclusion1 decks12 decks
8%synergy
Incendiary Sabotage
8.3%inclusion1 decks12 decks
8%synergy
Kozilek's Command
8.3%inclusion1 decks12 decks
8%synergy
Return the Favor
8.3%inclusion1 decks12 decks
5%synergy
Dawn's Truce
8.3%inclusion1 decks12 decks
-3%synergy
March of Reckless Joy
8.3%inclusion1 decks12 decks
8%synergy
Unexpected Windfall
8.3%inclusion1 decks12 decks
1%synergy
Unwanted Remake
8.3%inclusion1 decks12 decks
6%synergy
Mana Tithe
8.3%inclusion1 decks12 decks
6%synergy
Ghostfire Slice
8.3%inclusion1 decks12 decks
7%synergy
Delayed Blast Fireball
8.3%inclusion1 decks12 decks
6%synergy
Stroke of Midnight
8.3%inclusion1 decks12 decks
-9%synergy
Big Score
8.3%inclusion1 decks12 decks
-1%synergy
Calamity's Wake
8.3%inclusion1 decks12 decks
8%synergy
Disenchant
8.3%inclusion1 decks12 decks
2%synergy
Smelt
8.3%inclusion1 decks12 decks
8%synergy
Volcanic Fallout
8.3%inclusion1 decks12 decks
8%synergy
Vanish into Eternity
8.3%inclusion1 decks12 decks
8%synergy
Erase
8.3%inclusion1 decks12 decks
8%synergy
Galvanic Blast
8.3%inclusion1 decks12 decks
8%synergy
Shrapnel Blast
8.3%inclusion1 decks12 decks
8%synergy
Sejiri Shelter
8.3%inclusion1 decks12 decks
0%synergy
Abolish
8.3%inclusion1 decks12 decks
8%synergy
Sorceries
Faithless Looting
50%inclusion6 decks12 decks
34%synergy
Wheel of Fortune
50%inclusion6 decks12 decks
47%synergy
Fervent Mastery
25%inclusion3 decks12 decks
25%synergy
Wheel of Misfortune
17%inclusion2 decks12 decks
14%synergy
Vandalblast
17%inclusion2 decks12 decks
1%synergy
Farewell
17%inclusion2 decks12 decks
5%synergy
Shatterskull Smashing
17%inclusion2 decks12 decks
13%synergy
Blasphemous Act
17%inclusion2 decks12 decks
-16%synergy
Rite of Flame
17%inclusion2 decks12 decks
16%synergy
Sundering Eruption
17%inclusion2 decks12 decks
11%synergy
Fire Giant's Fury
17%inclusion2 decks12 decks
17%synergy
United Battlefront
10%inclusion1 decks10 decks
10%synergy
Chain Reaction
8.3%inclusion1 decks12 decks
4%synergy
Cathartic Reunion
8.3%inclusion1 decks12 decks
5%synergy
Anger of the Gods
8.3%inclusion1 decks12 decks
8%synergy
Winds of Abandon
8.3%inclusion1 decks12 decks
7%synergy
Seize the Spoils
8.3%inclusion1 decks12 decks
5%synergy
Pirate's Pillage
8.3%inclusion1 decks12 decks
7%synergy
Single Combat
8.3%inclusion1 decks12 decks
4%synergy
Twinflame
8.3%inclusion1 decks12 decks
7%synergy
Cut a Deal
8.3%inclusion1 decks12 decks
2%synergy
Call a Surprise Witness
8.3%inclusion1 decks12 decks
8%synergy
Shattered Perception
8.3%inclusion1 decks12 decks
8%synergy
Vanquish the Horde
8.3%inclusion1 decks12 decks
4%synergy
Return Triumphant
8.3%inclusion1 decks12 decks
8%synergy
Sculpted Sunburst
8.3%inclusion1 decks12 decks
8%synergy
Highway Robbery
8.3%inclusion1 decks12 decks
8%synergy
Recommission
8.3%inclusion1 decks12 decks
6%synergy
Utility Artifacts
Staff of Domination
58%inclusion7 decks12 decks
57%synergy
Sensei's Divining Top
50%inclusion6 decks12 decks
48%synergy
Moonsilver Key
50%inclusion6 decks12 decks
48%synergy
Mirror of Fate
50%inclusion6 decks12 decks
50%synergy
Rings of Brighthearth
50%inclusion6 decks12 decks
48%synergy
Grinding Station
42%inclusion5 decks12 decks
40%synergy
Manifold Key
42%inclusion5 decks12 decks
40%synergy
Thousand-Year Elixir
42%inclusion5 decks12 decks
38%synergy
Mystic Forge
42%inclusion5 decks12 decks
37%synergy
Codex Shredder
42%inclusion5 decks12 decks
41%synergy
Ugin's Nexus
42%inclusion5 decks12 decks
41%synergy
Soul-Guide Lantern
33%inclusion4 decks12 decks
31%synergy
Grafdigger's Cage
33%inclusion4 decks12 decks
33%synergy
Voltaic Key
25%inclusion3 decks12 decks
24%synergy
Thorn of Amethyst
25%inclusion3 decks12 decks
24%synergy
Ichor Wellspring
25%inclusion3 decks12 decks
18%synergy
Mishra's Bauble
25%inclusion3 decks12 decks
23%synergy
Ring of Three Wishes
25%inclusion3 decks12 decks
25%synergy
Trinisphere
25%inclusion3 decks12 decks
25%synergy
Sculpting Steel
25%inclusion3 decks12 decks
21%synergy
Uba Mask
25%inclusion3 decks12 decks
25%synergy
Torpor Orb
25%inclusion3 decks12 decks
25%synergy
Diviner's Wand
25%inclusion3 decks12 decks
25%synergy
Tangle Wire
25%inclusion3 decks12 decks
25%synergy
Lightning Greaves
25%inclusion3 decks12 decks
-4%synergy
Mesmeric Orb
17%inclusion2 decks12 decks
16%synergy
Nexus of Becoming
17%inclusion2 decks12 decks
16%synergy
Sphere of Resistance
17%inclusion2 decks12 decks
16%synergy
Urza's Bauble
17%inclusion2 decks12 decks
16%synergy
Winter Orb
17%inclusion2 decks12 decks
16%synergy
Defense Grid
17%inclusion2 decks12 decks
16%synergy
Pyrite Spellbomb
17%inclusion2 decks12 decks
16%synergy
Clock of Omens
17%inclusion2 decks12 decks
16%synergy
Aetherflux Reservoir
17%inclusion2 decks12 decks
13%synergy
Portable Hole
17%inclusion2 decks12 decks
16%synergy
Krark-Clan Ironworks
17%inclusion2 decks12 decks
14%synergy
Apple of Eden, Isu Relic
17%inclusion2 decks12 decks
17%synergy
Goblin Cannon
17%inclusion2 decks12 decks
17%synergy
Knowledge Pool
17%inclusion2 decks12 decks
17%synergy
Disruptor Flute
17%inclusion2 decks12 decks
17%synergy
Memory Jar
17%inclusion2 decks12 decks
16%synergy
Damping Sphere
17%inclusion2 decks12 decks
16%synergy
Peter Parker's Camera
13%inclusion1 decks8 decks
11%synergy
Radiant Lotus
9.1%inclusion1 decks11 decks
9%synergy
Static Orb
8.3%inclusion1 decks12 decks
8%synergy
Experimental Synthesizer
8.3%inclusion1 decks12 decks
7%synergy
Unwinding Clock
8.3%inclusion1 decks12 decks
6%synergy
God-Pharaoh's Statue
8.3%inclusion1 decks12 decks
8%synergy
Dino DNA
8.3%inclusion1 decks12 decks
8%synergy
Cloud Key
8.3%inclusion1 decks12 decks
6%synergy
Enchantments
Underworld Breach
50%inclusion6 decks12 decks
48%synergy
High Noon
42%inclusion5 decks12 decks
39%synergy
Blood Moon
33%inclusion4 decks12 decks
32%synergy
Trouble in Pairs
25%inclusion3 decks12 decks
16%synergy
Blind Obedience
17%inclusion2 decks12 decks
14%synergy
Deafening Silence
17%inclusion2 decks12 decks
13%synergy
Meticulous Excavation
17%inclusion2 decks12 decks
16%synergy
Pain for All
13%inclusion1 decks8 decks
10%synergy
Ghirapur Aether Grid
8.3%inclusion1 decks12 decks
7%synergy
Bitter Reunion
8.3%inclusion1 decks12 decks
7%synergy
Experimental Frenzy
8.3%inclusion1 decks12 decks
8%synergy
Touch the Spirit Realm
8.3%inclusion1 decks12 decks
6%synergy
Rule of Law
8.3%inclusion1 decks12 decks
7%synergy
Swift Reconfiguration
8.3%inclusion1 decks12 decks
8%synergy
Words of War
8.3%inclusion1 decks12 decks
8%synergy
Charitable Levy
8.3%inclusion1 decks12 decks
8%synergy
Monologue Tax
8.3%inclusion1 decks12 decks
5%synergy
Planeswalkers
Tezzeret, Cruel Captain
38%inclusion3 decks8 decks
33%synergy
Ugin, Eye of the Storms
20%inclusion2 decks10 decks
19%synergy
Karn, Living Legacy
17%inclusion2 decks12 decks
16%synergy
Daretti, Scrap Savant
17%inclusion2 decks12 decks
12%synergy
Utility Lands
Arena of Glory
67%inclusion8 decks12 decks
57%synergy
Urza's Saga
58%inclusion7 decks12 decks
49%synergy
Treasure Vault
50%inclusion6 decks12 decks
46%synergy
City of Traitors
50%inclusion6 decks12 decks
49%synergy
Darksteel Citadel
42%inclusion5 decks12 decks
33%synergy
Fomori Vault
33%inclusion4 decks12 decks
31%synergy
Bazaar of Baghdad
25%inclusion3 decks12 decks
25%synergy
Eiganjo, Seat of the Empire
25%inclusion3 decks12 decks
12%synergy
Geier Reach Sanitarium
17%inclusion2 decks12 decks
15%synergy
Mishra's Workshop
17%inclusion2 decks12 decks
16%synergy
Valakut, the Molten Pinnacle
8.3%inclusion1 decks12 decks
8%synergy
Hall of the Bandit Lord
8.3%inclusion1 decks12 decks
8%synergy
Inkmoth Nexus
8.3%inclusion1 decks12 decks
7%synergy
Command Beacon
8.3%inclusion1 decks12 decks
3%synergy
Sequestered Stash
8.3%inclusion1 decks12 decks
8%synergy
Monumental Henge
8.3%inclusion1 decks12 decks
3%synergy
Barbarian Ring
8.3%inclusion1 decks12 decks
8%synergy
Mana Artifacts
Sol Ring
100%inclusion12 decks12 decks
15%synergy
Mox Opal
92%inclusion11 decks12 decks
87%synergy
Arcane Signet
83%inclusion10 decks12 decks
4%synergy
Basalt Monolith
83%inclusion10 decks12 decks
81%synergy
Lotus Petal
75%inclusion9 decks12 decks
70%synergy
Talisman of Conviction
75%inclusion9 decks12 decks
23%synergy
Coveted Jewel
58%inclusion7 decks12 decks
56%synergy
Boros Signet
50%inclusion6 decks12 decks
-3%synergy
Cursed Mirror
50%inclusion6 decks12 decks
42%synergy
Fellwar Stone
33%inclusion4 decks12 decks
9%synergy
Sol Talisman
25%inclusion3 decks12 decks
24%synergy
Chromatic Star
25%inclusion3 decks12 decks
23%synergy
Lotus Bloom
17%inclusion2 decks12 decks
16%synergy
Mox Amber
17%inclusion2 decks12 decks
12%synergy
Thran Dynamo
17%inclusion2 decks12 decks
12%synergy
Liquimetal Torque
17%inclusion2 decks12 decks
12%synergy
Mind Stone
17%inclusion2 decks12 decks
-9%synergy
Commander's Sphere
8.3%inclusion1 decks12 decks
-8%synergy
Staff of Compleation
8.3%inclusion1 decks12 decks
7%synergy
Chromatic Sphere
8.3%inclusion1 decks12 decks
8%synergy
Hedron Archive
8.3%inclusion1 decks12 decks
5%synergy
Lotus Blossom
8.3%inclusion1 decks12 decks
8%synergy
Honored Heirloom
8.3%inclusion1 decks12 decks
8%synergy
Corrupted Grafstone
8.3%inclusion1 decks12 decks
8%synergy
Marble Diamond
8.3%inclusion1 decks12 decks
2%synergy
Fire Diamond
8.3%inclusion1 decks12 decks
2%synergy
Stonespeaker Crystal
8.3%inclusion1 decks12 decks
8%synergy
Fractured Powerstone
8.3%inclusion1 decks12 decks
8%synergy
Solar Transformer
8.3%inclusion1 decks12 decks
8%synergy
Mox Tantalite
8.3%inclusion1 decks12 decks
8%synergy
Prismatic Lens
8.3%inclusion1 decks12 decks
7%synergy
Jeweled Amulet
8.3%inclusion1 decks12 decks
8%synergy
Energy Refractor
8.3%inclusion1 decks12 decks
8%synergy
Lands
Command Tower
100%inclusion12 decks12 decks
14%synergy
Plains
92%inclusion11 decks12 decks
-6%synergy
Arid Mesa
92%inclusion11 decks12 decks
63%synergy
Sacred Foundry
83%inclusion10 decks12 decks
39%synergy
Plateau
83%inclusion10 decks12 decks
71%synergy
Windswept Heath
75%inclusion9 decks12 decks
69%synergy
Elegant Parlor
75%inclusion9 decks12 decks
57%synergy
Gemstone Caverns
75%inclusion9 decks12 decks
71%synergy
Spectator Seating
75%inclusion9 decks12 decks
35%synergy
Battlefield Forge
67%inclusion8 decks12 decks
11%synergy
Mountain
67%inclusion8 decks12 decks
-31%synergy
Marsh Flats
67%inclusion8 decks12 decks
60%synergy
Flooded Strand
67%inclusion8 decks12 decks
61%synergy
Bloodstained Mire
67%inclusion8 decks12 decks
60%synergy
Scalding Tarn
58%inclusion7 decks12 decks
53%synergy
Sunbaked Canyon
50%inclusion6 decks12 decks
33%synergy
Witch Enchanter
42%inclusion5 decks12 decks
29%synergy
Wooded Foothills
42%inclusion5 decks12 decks
36%synergy
Cavern of Souls
42%inclusion5 decks12 decks
37%synergy
Mana Confluence
42%inclusion5 decks12 decks
38%synergy
City of Brass
42%inclusion5 decks12 decks
37%synergy
The Mycosynth Gardens
33%inclusion4 decks12 decks
30%synergy
Sunbillow Verge
27%inclusion3 decks11 decks
5%synergy
Talon Gates of Madara
25%inclusion3 decks12 decks
24%synergy
Rugged Prairie
25%inclusion3 decks12 decks
-15%synergy
Snow-Covered Plains
25%inclusion3 decks12 decks
23%synergy
Snow-Covered Mountain
25%inclusion3 decks12 decks
23%synergy
Clifftop Retreat
25%inclusion3 decks12 decks
-38%synergy
Exotic Orchard
17%inclusion2 decks12 decks
-12%synergy
Inspiring Vantage
17%inclusion2 decks12 decks
1%synergy
Spire of Industry
17%inclusion2 decks12 decks
11%synergy
Razorgrass Ambush
17%inclusion2 decks12 decks
12%synergy
Shatterskull Smashing
17%inclusion2 decks12 decks
13%synergy
Sundering Eruption
17%inclusion2 decks12 decks
11%synergy
Pinnacle Monk
17%inclusion2 decks12 decks
12%synergy
Lazotep Quarry
8.3%inclusion1 decks12 decks
8%synergy
Sundown Pass
8.3%inclusion1 decks12 decks
-27%synergy
Tarnished Citadel
8.3%inclusion1 decks12 decks
8%synergy
Sunscorched Divide
8.3%inclusion1 decks12 decks
-11%synergy
Boros Garrison
8.3%inclusion1 decks12 decks
-31%synergy
Needleverge Pathway
8.3%inclusion1 decks12 decks
-18%synergy
Sejiri Shelter
8.3%inclusion1 decks12 decks
0%synergy