Kentaro, the Smiling Cat (Card)

Kentaro, the Smiling Cat
In 2060 decks 0% of 2272654 decks
Quinn Lambert
Dec 18, 2024
Commander Fusion: Cao Ren + Kentaro = ?
Hobbits and Samurai? It's not as far-fetched as you think.
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
The Wandering Rescuer
2.71% of 406 decks 11 decks
Top Commanders
Isshin, Two Heavens as One
5.61% of 19666 decks 1104 decks
Raiyuu, Storm's Edge
12.73% of 2145 decks 273 decks
Takeno, Samurai General
77.74% of 292 decks 227 decks
Saskia the Unyielding
1.26% of 5561 decks 70 decks
Sensei Golden-Tail
29.75% of 121 decks 36 decks
Konda, Lord of Eiganjo
20.69% of 174 decks 36 decks
Iroas, God of Victory
1.59% of 1635 decks 26 decks
Risona, Asari Commander
5.94% of 387 decks 23 decks
Nagao, Bound by Honor
51.35% of 37 decks 19 decks
Kyodai, Soul of Kamigawa
0.96% of 1869 decks 18 decks
Alesha, Who Smiles at Death
0.27% of 5913 decks 16 decks
Morophon, the Boundless
0.13% of 9938 decks 13 decks
Queen Marchesa
0.09% of 12624 decks 11 decks
Jodah, the Unifier
0.05% of 18041 decks 9 decks
Kenrith, the Returned King
0.04% of 21799 decks 9 decks
Naomi, Pillar of Order
3.94% of 127 decks 5 decks
Rukarumel, Biologist
0.17% of 2942 decks 5 decks
New Cards
Quick-Draw Katana
96% of 24 decks +61% synergy
The Wandering Rescuer
58% of 320 decks +57% synergy
Alesha, Who Laughs at Fate
42% of 31 decks +26% synergy
Banner of Kinship
28% of 46 decks +16% synergy
Dazzling Theater // Prop Room
16% of 61 decks -3% synergy
High Synergy Cards
Heiko Yamazaki, the General
85% of 1654 decks +84% synergy
Isao, Enlightened Bushi
84% of 195 decks +84% synergy
Asari Captain
84% of 1654 decks +83% synergy
Selfless Samurai
83% of 2016 decks +82% synergy
Peerless Samurai
79% of 1654 decks +79% synergy
Risona, Asari Commander
75% of 1654 decks +75% synergy
Raiyuu, Storm's Edge
76% of 1654 decks +74% synergy
Goro-Goro, Disciple of Ryusei
76% of 1654 decks +74% synergy
Norika Yamazaki, the Poet
71% of 2016 decks +71% synergy
Akki Ronin
70% of 1654 decks +70% synergy
Top Cards
Konda, Lord of Eiganjo
70% of 2060 decks +69% synergy
Oathkeeper, Takeno's Daisho
68% of 2060 decks +68% synergy
Reinforced Ronin
68% of 1654 decks +67% synergy
Swords to Plowshares
67% of 2060 decks +5% synergy
Fumiko the Lowblood
67% of 1673 decks +67% synergy
Imperial Subduer
67% of 2016 decks +66% synergy
Eiganjo Exemplar
66% of 2016 decks +66% synergy
Godo, Bandit Warlord
65% of 1673 decks +64% synergy
Akki Battle Squad
65% of 1654 decks +64% synergy
Sensei Golden-Tail
65% of 2060 decks +65% synergy
Creatures
Nagao, Bound by Honor
64% of 2060 decks +64% synergy
Nezumi Bladeblesser
61% of 1296 decks +61% synergy
Ironsoul Enforcer
61% of 2016 decks +61% synergy
Tetsuo, Imperial Champion
58% of 69 decks +58% synergy
Lizard Blades
58% of 1654 decks +55% synergy
Takeno, Samurai General
54% of 2060 decks +54% synergy
Sunblade Samurai
49% of 2016 decks +49% synergy
Jade Avenger
48% of 185 decks +47% synergy
Blade of the Oni
45% of 1296 decks +45% synergy
Konda's Hatamoto
45% of 2060 decks +45% synergy
Iizuka the Ruthless
45% of 1672 decks +45% synergy
Upriser Renegade
42% of 1654 decks +42% synergy
Toshiro Umezawa
41% of 1310 decks +41% synergy
Hand of Honor
41% of 2058 decks +41% synergy
Chishiro, the Shattered Blade
40% of 168 decks +39% synergy
Indebted Samurai
38% of 2060 decks +38% synergy
Roaming Throne
36% of 834 decks +26% synergy
Star Athlete
34% of 58 decks +30% synergy
Opal-Eye, Konda's Yojimbo
33% of 2060 decks +33% synergy
Araba Mothrider
33% of 2058 decks +33% synergy
Kitsune Blademaster
31% of 2060 decks +31% synergy
Hand of Cruelty
31% of 1309 decks +31% synergy
Devoted Retainer
31% of 2060 decks +31% synergy
Golden-Tail Trainer
30% of 40 decks +29% synergy
Bushi Tenderfoot
29% of 2060 decks +29% synergy
Seven-Tail Mentor
28% of 2016 decks +28% synergy
Samurai of the Pale Curtain
28% of 2060 decks +28% synergy
Inner-Chamber Guard
25% of 2058 decks +25% synergy
Mothrider Samurai
24% of 2060 decks +24% synergy
Lion Sash
23% of 2016 decks +20% synergy
Naomi, Pillar of Order
23% of 1296 decks +23% synergy
Kosei, Penitent Warlord
22% of 180 decks +22% synergy
Ronin Cliffrider
19% of 1673 decks +19% synergy
Masako the Humorless
19% of 2060 decks +18% synergy
Samurai Enforcers
17% of 2060 decks +17% synergy
Michiko Konda, Truth Seeker
17% of 2058 decks +16% synergy
Jukai Trainee
17% of 180 decks +17% synergy
Iroas, God of Victory
16% of 1671 decks +12% synergy
General Marhault Elsdragon
15% of 145 decks +14% synergy
Kitsune Dawnblade
14% of 2058 decks +14% synergy
The Reality Chip
14% of 83 decks +10% synergy
Cloudsteel Kirin
14% of 2016 decks +13% synergy
Sublime Archangel
14% of 2051 decks +14% synergy
Silverstorm Samurai
13% of 2060 decks +13% synergy
Beast Whisperer
12% of 192 decks +0% synergy
Aurelia, the Warleader
12% of 1672 decks +5% synergy
Battle-Mad Ronin
12% of 1673 decks +12% synergy
Sky-Blessed Samurai
12% of 2016 decks +12% synergy
Alabaster Host Intercessor
12% of 1342 decks +12% synergy
Rune-Tail, Kitsune Ascendant
11% of 2058 decks +11% synergy
Instants
Call to Glory
59% of 2060 decks +59% synergy
Path to Exile
53% of 2051 decks +7% synergy
Boros Charm
51% of 1672 decks +26% synergy
You Are Already Dead
45% of 1296 decks +44% synergy
Offer Immortality
32% of 977 decks +31% synergy
Despark
31% of 1306 decks +15% synergy
Heroic Intervention
28% of 192 decks -2% synergy
Akroma's Will
25% of 2029 decks +16% synergy
Hold the Line
22% of 2060 decks +22% synergy
Ethereal Haze
21% of 2060 decks +20% synergy
Cut Short
19% of 1342 decks +19% synergy
Unbreakable Formation
18% of 2038 decks +11% synergy
Generous Gift
18% of 2038 decks -8% synergy
Teferi's Protection
17% of 2041 decks -3% synergy
Dawn's Truce
16% of 236 decks -0% synergy
Crackling Doom
15% of 1294 decks +8% synergy
Flawless Maneuver
15% of 2033 decks +5% synergy
Chaos Warp
15% of 1672 decks -17% synergy
Beast Within
14% of 194 decks -24% synergy
Stroke of Midnight
14% of 978 decks +2% synergy
Enlightened Tutor
12% of 2060 decks -6% synergy
Terminate
11% of 1295 decks -10% synergy
Wanderer's Intervention
11% of 2016 decks +11% synergy
Return to Dust
10% of 2051 decks +6% synergy
Kindred Summons
9% of 192 decks +8% synergy
Anguished Unmaking
9% of 1309 decks -15% synergy
Disenchant
9% of 2060 decks +5% synergy
Counterspell
9% of 90 decks -34% synergy
Legion Leadership
9% of 355 decks +1% synergy
Deflecting Palm
9% of 1671 decks +4% synergy
Wear // Tear
9% of 1672 decks +0% synergy
Naya Charm
8% of 181 decks +1% synergy
Fracture
8% of 1300 decks +1% synergy
Mortify
8% of 1309 decks -4% synergy
Cyclonic Rift
8% of 89 decks -20% synergy
Dawn Charm
8% of 2051 decks +6% synergy
Seized from Slumber
8% of 52 decks +5% synergy
Inventory Management
7% of 481 decks +4% synergy
Master Warcraft
7% of 1672 decks +6% synergy
Krosan Grip
7% of 194 decks -0% synergy
Assassin's Trophy
7% of 153 decks -23% synergy
Thrill of Possibility
7% of 1665 decks -3% synergy
Vampiric Tutor
6% of 1310 decks -12% synergy
Brave the Elements
6% of 2051 decks +5% synergy
Worldly Tutor
6% of 195 decks -8% synergy
Reciprocate
5% of 2060 decks +5% synergy
Utter End
5% of 1309 decks -2% synergy
Putrefy
5% of 154 decks -11% synergy
Return to Action
5% of 1296 decks +5% synergy
Sorceries
Banishing Slash
57% of 2016 decks +57% synergy
Eiganjo Uprising
47% of 1654 decks +46% synergy
Cultivate
45% of 194 decks -1% synergy
Kodama's Reach
42% of 195 decks +11% synergy
Ruinous Ultimatum
40% of 1289 decks +22% synergy
Farseek
38% of 194 decks +4% synergy
Farewell
37% of 2016 decks +24% synergy
Imperial Oath
34% of 2016 decks +34% synergy
Rampant Growth
28% of 195 decks -6% synergy
Sign in Blood
26% of 1309 decks +17% synergy
Open the Armory
23% of 2047 decks +18% synergy
Nature's Lore
20% of 195 decks -12% synergy
Overpowering Attack
17% of 277 decks +12% synergy
Blasphemous Act
16% of 1672 decks -18% synergy
Demonic Tutor
15% of 1310 decks -7% synergy
Time of Need
15% of 195 decks +14% synergy
Invoke Justice
15% of 2016 decks +14% synergy
Relentless Assault
14% of 1673 decks +11% synergy
Damn
14% of 1299 decks -3% synergy
Three Visits
13% of 195 decks -11% synergy
Harmonize
11% of 194 decks +2% synergy
Read the Bones
11% of 1309 decks +3% synergy
Eerie Ultimatum
10% of 150 decks -2% synergy
Mass Calcify
9% of 2051 decks +9% synergy
Faithless Looting
9% of 1672 decks -8% synergy
Vandalblast
9% of 1672 decks -7% synergy
Austere Command
8% of 2051 decks -5% synergy
Terashi's Grasp
8% of 2060 decks +8% synergy
Night's Whisper
8% of 1310 decks -1% synergy
Steelshaper's Gift
7% of 2060 decks +5% synergy
Response // Resurgence
7% of 1666 decks +5% synergy
Distant Melody
7% of 89 decks +2% synergy
Skyshroud Claim
7% of 195 decks -2% synergy
Wrath of God
6% of 2060 decks -0% synergy
Diabolic Tutor
6% of 1310 decks +0% synergy
Vindicate
6% of 1310 decks -1% synergy
Flare of Cultivation
6% of 50 decks +3% synergy
Soul Transfer
6% of 1296 decks +6% synergy
Gift of Estates
6% of 2060 decks +5% synergy
Cut a Deal
6% of 1864 decks +3% synergy
Seize the Day
6% of 1673 decks +3% synergy
Shamanic Revelation
5% of 194 decks -4% synergy
Ravnica at War
5% of 2038 decks +4% synergy
Painful Truths
5% of 1309 decks +2% synergy
Utility Artifacts
Ancestral Katana
54% of 2016 decks +54% synergy
Swiftfoot Boots
50% of 2051 decks +22% synergy
Sword of the Animist
46% of 2047 decks +41% synergy
Conjurer's Mantle
45% of 1414 decks +44% synergy
Sigil of Valor
43% of 2047 decks +43% synergy
Greatsword of Tyr
35% of 1864 decks +34% synergy
Konda's Banner
34% of 2060 decks +34% synergy
Eater of Virtue
31% of 2016 decks +31% synergy
Short Bow
31% of 124 decks +29% synergy
Diamond Pick-Axe
29% of 650 decks +25% synergy
Mithril Coat
25% of 1089 decks +20% synergy
General's Kabuto
25% of 2060 decks +25% synergy
Vanquisher's Banner
24% of 2040 decks +20% synergy
Herald's Horn
22% of 2041 decks +16% synergy
Two-Handed Axe
22% of 1536 decks +20% synergy
Mjölnir, Storm Hammer
21% of 357 decks +20% synergy
Lightning Greaves
21% of 2060 decks -5% synergy
Kusari-Gama
19% of 2060 decks +18% synergy
Helm of the Host
17% of 2040 decks +14% synergy
Blackblade Reforged
16% of 2040 decks +12% synergy
No-Dachi
16% of 2060 decks +16% synergy
Sword of Wealth and Power
15% of 543 decks +14% synergy
Andúril, Narsil Reforged
15% of 885 decks +14% synergy
Tatsumasa, the Dragon's Fang
15% of 2060 decks +15% synergy
Reaper's Talisman
14% of 1297 decks +14% synergy
Door of Destinies
12% of 2051 decks +11% synergy
The Key to the Vault
12% of 34 decks +9% synergy
Argentum Armor
11% of 2051 decks +10% synergy
Pearl Medallion
10% of 2060 decks +8% synergy
Stoneforge Masterwork
10% of 2047 decks +10% synergy
O-Naginata
10% of 2058 decks +10% synergy
Tenza, Godo's Maul
9% of 2060 decks +9% synergy
Lost Jitte
9% of 444 decks +9% synergy
Umezawa's Jitte
9% of 2060 decks +9% synergy
Shadowspear
9% of 2034 decks +5% synergy
Excalibur, Sword of Eden
9% of 345 decks +5% synergy
Icon of Ancestry
8% of 2038 decks +7% synergy
Sword of Vengeance
8% of 2051 decks +7% synergy
The Reaver Cleaver
8% of 1497 decks +4% synergy
Embercleave
7% of 1665 decks +5% synergy
Pip-Boy 3000
7% of 543 decks +6% synergy
Sword of Feast and Famine
7% of 2051 decks +5% synergy
Bilbo's Ring
7% of 1007 decks +7% synergy
Trepanation Blade
7% of 2051 decks +7% synergy
Coat of Arms
7% of 2060 decks +5% synergy
Oketra's Monument
7% of 2041 decks +5% synergy
Celestial Armor
7% of 46 decks +1% synergy
Dolmen Gate
6% of 2051 decks +5% synergy
Experimental Synthesizer
6% of 1654 decks +6% synergy
Blade of Selves
6% of 2047 decks +5% synergy
Enchantments
Tempered in Solitude
51% of 1654 decks +51% synergy
Angelic Exaltation
45% of 2038 decks +44% synergy
Brave the Sands
43% of 2049 decks +41% synergy
Blacksmith's Talent
38% of 135 decks +35% synergy
Unquenchable Fury
36% of 1654 decks +35% synergy
Forge Anew
35% of 1210 decks +32% synergy
Idolized
34% of 853 decks +33% synergy
Rhythm of the Wild
28% of 178 decks +4% synergy
Grasping Shadows
27% of 477 decks +26% synergy
Fighter Class
25% of 1656 decks +21% synergy
Rising of the Day
24% of 999 decks +19% synergy
The Shattered States Era
24% of 1654 decks +24% synergy
Duelist's Heritage
23% of 2044 decks +20% synergy
Fervent Charge
20% of 1295 decks +18% synergy
Smothering Tithe
18% of 2038 decks -7% synergy
Life of Toshiro Umezawa
17% of 1296 decks +17% synergy
Beastmaster Ascension
16% of 194 decks +10% synergy
Finest Hour
16% of 77 decks +14% synergy
Angelic Benediction
15% of 2051 decks +15% synergy
Guardian Project
15% of 191 decks +6% synergy
Flowering of the White Tree
15% of 1134 decks +9% synergy
Mirari's Wake
14% of 195 decks +1% synergy
Ghostly Prison
14% of 2060 decks +3% synergy
The Kami War
14% of 71 decks +7% synergy
Always Watching
13% of 2047 decks +13% synergy
True Conviction
13% of 2051 decks +11% synergy
Rally the Ranks
13% of 2029 decks +12% synergy
Sigarda's Aid
12% of 2045 decks +8% synergy
Derelict Attic // Widow's Walk
10% of 41 decks +6% synergy
Honor of the Pure
10% of 2051 decks +9% synergy
Phyrexian Arena
9% of 1310 decks -6% synergy
Leyline of the Guildpact
9% of 32 decks -14% synergy
Bear Umbra
9% of 194 decks +5% synergy
Folk Hero
9% of 1864 decks +8% synergy
Kindred Discovery
9% of 89 decks +2% synergy
Annie Joins Up
9% of 46 decks -10% synergy
Gleam of Battle
8% of 1672 decks +8% synergy
Land Tax
8% of 2060 decks +2% synergy
Revenge of Ravens
8% of 1306 decks +6% synergy
Rooftop Storm
8% of 89 decks +6% synergy
Strength of the Harvest
7% of 42 decks +1% synergy
Arcane Adaptation
7% of 88 decks +6% synergy
Mardu Ascendancy
7% of 1294 decks +4% synergy
Cathars' Crusade
7% of 2051 decks +1% synergy
Aggravated Assault
7% of 1673 decks +3% synergy
Sylvan Library
6% of 195 decks -5% synergy
Sticky Fingers
6% of 1553 decks +4% synergy
Invigorating Hot Spring
6% of 168 decks +3% synergy
Twisted Embrace
6% of 1296 decks +6% synergy
Reflections of Littjara
6% of 85 decks +1% synergy
Battles
Invasion of New Capenna
9% of 877 decks +8% synergy
Planeswalkers
The Eternal Wanderer
64% of 1690 decks +60% synergy
The Wandering Emperor
38% of 2016 decks +37% synergy
The Wanderer
14% of 2038 decks +13% synergy
Utility Lands
Rogue's Passage
49% of 2051 decks +29% synergy
Eiganjo, Seat of the Empire
42% of 2016 decks +33% synergy
Cathedral of War
35% of 2051 decks +35% synergy
Takenuma, Abandoned Mire
34% of 1296 decks +24% synergy
Three Tree City
33% of 257 decks +23% synergy
Sokenzan, Crucible of Defiance
26% of 1654 decks +22% synergy
Shinka, the Bloodsoaked Keep
26% of 1673 decks +24% synergy
Shizo, Death's Storehouse
21% of 1310 decks +16% synergy
Slayers' Stronghold
21% of 1672 decks +15% synergy
Eiganjo Castle
21% of 2060 decks +20% synergy
Gavony Township
17% of 194 decks +8% synergy
Boseiju, Who Endures
17% of 180 decks -3% synergy
Sunhome, Fortress of the Legion
16% of 1672 decks +11% synergy
Otawara, Soaring City
16% of 83 decks -1% synergy
Bojuka Bog
13% of 1309 decks -17% synergy
Reliquary Tower
13% of 2051 decks -16% synergy
Roadside Reliquary
12% of 2016 decks +11% synergy
Minas Tirith
11% of 1210 decks +2% synergy
Okina, Temple to the Grandfathers
11% of 195 decks +10% synergy
Vault of the Archangel
10% of 1309 decks -1% synergy
Emeria, the Sky Ruin
10% of 2051 decks +6% synergy
Temple of the False God
10% of 2060 decks -0% synergy
Restless Bivouac
9% of 770 decks +6% synergy
Axgard Armory
8% of 1660 decks +5% synergy
Kessig Wolf Run
8% of 181 decks -8% synergy
War Room
7% of 2029 decks +0% synergy
Nykthos, Shrine to Nyx
6% of 2051 decks +0% synergy
Windbrisk Heights
6% of 2051 decks +1% synergy
Mana Artifacts
Sol Ring
85% of 2060 decks +1% synergy
Arcane Signet
73% of 2037 decks +1% synergy
Patchwork Banner
63% of 222 decks +53% synergy
Boros Signet
41% of 1672 decks +18% synergy
Commander's Sphere
31% of 2048 decks +16% synergy
Orzhov Signet
31% of 1309 decks +4% synergy
Rakdos Signet
24% of 1294 decks -6% synergy
Talisman of Conviction
17% of 1665 decks -6% synergy
Chromatic Lantern
11% of 2051 decks +2% synergy
Fellwar Stone
10% of 2060 decks -11% synergy
Talisman of Hierarchy
10% of 1306 decks -14% synergy
Mardu Banner
10% of 1294 decks +8% synergy
Mind Stone
9% of 2060 decks -8% synergy
Gruul Signet
9% of 181 decks -3% synergy
Selesnya Signet
9% of 194 decks +0% synergy
Throne of Eldraine
7% of 915 decks +5% synergy
Talisman of Indulgence
7% of 1295 decks -20% synergy
Golgari Signet
6% of 154 decks -6% synergy
Talisman of Unity
6% of 195 decks -1% synergy
Talisman of Impulse
6% of 182 decks -3% synergy
Timeless Lotus
6% of 67 decks -8% synergy
Heraldic Banner
6% of 2037 decks +4% synergy
Marble Diamond
6% of 2060 decks +2% synergy
Talisman of Curiosity
5% of 76 decks -7% synergy
Nyx Lotus
5% of 2034 decks +4% synergy
Dimir Signet
5% of 79 decks -24% synergy
Lands
Command Tower
73% of 2051 decks -1% synergy
Nomad Outpost
64% of 1294 decks +36% synergy
Path of Ancestry
58% of 2041 decks +37% synergy
Secluded Courtyard
44% of 2016 decks +40% synergy
Savai Triome
42% of 1289 decks +15% synergy
Jungle Shrine
41% of 181 decks +9% synergy
Godless Shrine
35% of 1309 decks -5% synergy
Shattered Landscape
35% of 272 decks +22% synergy
Wind-Scarred Crag
33% of 1671 decks +27% synergy
Jetmir's Garden
33% of 156 decks -0% synergy
Exotic Orchard
32% of 2051 decks -4% synergy
Sacred Foundry
32% of 1672 decks -4% synergy
Clifftop Retreat
31% of 1672 decks +3% synergy
Evolving Wilds
31% of 2051 decks +10% synergy
Bloodfell Caves
30% of 1294 decks +23% synergy
Sandsteppe Citadel
29% of 154 decks +4% synergy
Savage Lands
29% of 150 decks +5% synergy
Scoured Barrens
28% of 1309 decks +19% synergy
Blood Crypt
28% of 1294 decks -11% synergy
Unclaimed Territory
26% of 2040 decks +21% synergy
Boros Garrison
25% of 1672 decks +11% synergy
Temple Garden
25% of 194 decks -15% synergy
Spectator Seating
25% of 1660 decks -0% synergy
Mystic Monastery
24% of 86 decks -2% synergy
Isolated Chapel
23% of 1309 decks -5% synergy
Indatha Triome
23% of 150 decks -8% synergy
The World Tree
22% of 73 decks -12% synergy
Temple of Triumph
21% of 1672 decks +5% synergy
Canopy Vista
21% of 194 decks -15% synergy
Stomping Ground
21% of 181 decks -20% synergy
Dragonskull Summit
21% of 1294 decks -10% synergy
Frontier Bivouac
21% of 77 decks -7% synergy
Ziatora's Proving Ground
21% of 131 decks -11% synergy
Vault of Champions
20% of 1301 decks -5% synergy
Sundown Pass
20% of 1654 decks +5% synergy
Arcane Sanctum
20% of 79 decks -7% synergy
Battlefield Forge
20% of 1673 decks -5% synergy
Seaside Citadel
19% of 77 decks -7% synergy
Luxury Suite
18% of 1292 decks -8% synergy
Crumbling Necropolis
18% of 79 decks -13% synergy
Overgrown Tomb
18% of 154 decks -25% synergy
Myriad Landscape
18% of 2048 decks -2% synergy
Ketria Triome
17% of 75 decks -15% synergy
Spara's Headquarters
17% of 71 decks -15% synergy
Arid Mesa
16% of 2051 decks +6% synergy
Opulent Palace
16% of 76 decks -11% synergy
Raugrin Triome
16% of 83 decks -11% synergy
Cinder Glade
15% of 181 decks -23% synergy
Abraded Bluffs
15% of 415 decks +10% synergy
Raffine's Tower
15% of 72 decks -12% synergy