Shield of the Realm (Card)
Shield of the Realm
In 716 decks
0% of 5603156 decks
Apr 19, 2021
Ranking Every Equipment with EDHREC – Part 7: Going to Grab Some Food
Ranking every Equipment in EDH using EDHREC!
Top Commanders
Valduk, Keeper of the Flame
4.96% of 2038 decks
101 decks
Captain America, First Avenger
0.40% of 6979 decks
28 decks
Alexios, Deimos of Kosmos
0.34% of 4404 decks
15 decks
Syr Gwyn, Hero of Ashvale
0.18% of 7743 decks
14 decks
Balan, Wandering Knight
0.38% of 3391 decks
13 decks
Kazarov, Sengir Pureblood
6.63% of 196 decks
13 decks
Arna Kennerüd, Skycaptain
0.21% of 5353 decks
11 decks
Bruenor Battlehammer
0.37% of 2989 decks
11 decks
Kemba, Kha Regent
0.76% of 1441 decks
11 decks
Ghyrson Starn, Kelermorph
0.06% of 16368 decks
10 decks
Ardenn, Intrepid Archaeologist // Rograkh, Son of Rohgahh
0.16% of 6323 decks
10 decks
Sram, Senior Edificer
0.51% of 1779 decks
9 decks
Catti-brie of Mithral Hall
2.25% of 400 decks
9 decks
Hans Eriksson
0.83% of 968 decks
8 decks
Galea, Kindler of Hope
0.13% of 5451 decks
7 decks
Danitha Capashen, Paragon
1.92% of 364 decks
7 decks
Slicer, Hired Muscle
0.10% of 5868 decks
6 decks
Kenrith, the Returned King
0.03% of 23549 decks
6 decks
New Cards
Bleachbone Verge
14% of 14 decks
+8% synergy
Winter, Cursed Rider
14% of 7 decks
+14% synergy
Voyage Home
13% of 23 decks
+10% synergy
Mendicant Core, Guidelight
9% of 23 decks
+7% synergy
Guidelight Pathmaker
9% of 23 decks
+8% synergy
High Synergy Cards
Danitha Capashen, Paragon
32% of 357 decks
+29% synergy
Shield of the Righteous
25% of 102 decks
+25% synergy
Blackblade Reforged
28% of 716 decks
+24% synergy
Puresteel Paladin
26% of 357 decks
+22% synergy
Bruenor Battlehammer
23% of 175 decks
+21% synergy
Explorer's Scope
20% of 716 decks
+20% synergy
Plate Armor
20% of 357 decks
+19% synergy
Thran Power Suit
20% of 716 decks
+19% synergy
Sram, Senior Edificer
25% of 357 decks
+19% synergy
Unscythe, Killer of Kings
19% of 21 decks
+19% synergy
Top Cards
Swiftfoot Boots
44% of 716 decks
+17% synergy
Swords to Plowshares
29% of 357 decks
-34% synergy
Cultivate
27% of 150 decks
-18% synergy
Mind Stone
21% of 716 decks
+4% synergy
Chaos Warp
21% of 451 decks
-11% synergy
Fighter Class
21% of 175 decks
+17% synergy
Sigarda's Aid
20% of 357 decks
+17% synergy
Counterspell
20% of 167 decks
-22% synergy
Path to Exile
20% of 357 decks
-27% synergy
Finest Hour
20% of 30 decks
+18% synergy
Game Changers
Cyclonic Rift
8% of 167 decks
-18% synergy
Smothering Tithe
8% of 357 decks
-16% synergy
Jeska's Will
7% of 451 decks
-10% synergy
Enlightened Tutor
7% of 357 decks
-10% synergy
Fierce Guardianship
7% of 167 decks
-12% synergy
Rhystic Study
6% of 167 decks
-21% synergy
Demonic Tutor
6% of 176 decks
-16% synergy
Vampiric Tutor
5% of 176 decks
-12% synergy
Creatures
Llanowar Elves
19% of 150 decks
-2% synergy
Bureau Headmaster
17% of 104 decks
+15% synergy
Akiri, Fearless Voyager
17% of 175 decks
+14% synergy
Reyav, Master Smith
17% of 175 decks
+14% synergy
Foundry Inspector
15% of 716 decks
+11% synergy
Goblin Anarchomancer
14% of 65 decks
+0% synergy
Tiana, Ship's Caretaker
14% of 175 decks
+13% synergy
Giltspire Avenger
13% of 30 decks
+13% synergy
Rafiq of the Many
13% of 30 decks
+13% synergy
Noble Hierarch
13% of 30 decks
-3% synergy
Arvad the Cursed
13% of 83 decks
+11% synergy
Kiora's Follower
13% of 39 decks
+7% synergy
Champion of the Flame
13% of 451 decks
+12% synergy
Astor, Bearer of Blades
12% of 175 decks
+10% synergy
Elenda, Saint of Dusk
12% of 25 decks
+10% synergy
Iron Man, Titan of Innovation
12% of 51 decks
+11% synergy
Brass Squire
12% of 716 decks
+11% synergy
Bladegraft Aspirant
11% of 451 decks
+11% synergy
Lizard Blades
11% of 451 decks
+8% synergy
Aryel, Knight of Windgrace
11% of 83 decks
+10% synergy
Wintermoor Commander
11% of 83 decks
+9% synergy
Etherium Sculptor
11% of 167 decks
+5% synergy
Halvar, God of Battle
11% of 357 decks
+9% synergy
Danitha, Benalia's Hope
10% of 357 decks
+9% synergy
Solemn Simulacrum
10% of 716 decks
-3% synergy
Thrashing Wumpus
10% of 176 decks
+10% synergy
Toggo, Goblin Weaponsmith
10% of 451 decks
+9% synergy
Starnheim Courser
10% of 357 decks
+8% synergy
Brash Taunter
10% of 451 decks
+6% synergy
Koll, the Forgemaster
10% of 175 decks
+9% synergy
Crypt Rats
10% of 176 decks
+9% synergy
Artificer's Assistant
10% of 167 decks
+9% synergy
Rabbit Battery
10% of 451 decks
+9% synergy
Cloudsteel Kirin
10% of 357 decks
+9% synergy
Ogre Battledriver
9% of 451 decks
+8% synergy
Kogla and Yidaro
9% of 65 decks
+5% synergy
Wyleth, Soul of Steel
9% of 175 decks
+8% synergy
Danitha, New Benalia's Light
9% of 77 decks
+7% synergy
Fleecemane Lion
9% of 79 decks
+8% synergy
Riptide Gearhulk
9% of 23 decks
+5% synergy
Ardenn, Intrepid Archaeologist
9% of 357 decks
+7% synergy
The Lord of Pain
9% of 35 decks
+4% synergy
Burnished Hart
9% of 716 decks
+5% synergy
Torbran, Thane of Red Fell
8% of 451 decks
+5% synergy
Baird, Steward of Argive
8% of 357 decks
+7% synergy
Baleful Strix
8% of 48 decks
-5% synergy
Jhoira, Weatherlight Captain
8% of 97 decks
+2% synergy
Harmonic Prodigy
8% of 451 decks
+5% synergy
Kutzil, Malamet Exemplar
8% of 62 decks
-6% synergy
Kellan, the Fae-Blooded
8% of 153 decks
+5% synergy
Instants
Negate
20% of 167 decks
-3% synergy
Terminate
20% of 92 decks
-1% synergy
Mortify
19% of 83 decks
+8% synergy
Thrill of Possibility
17% of 451 decks
+7% synergy
Boros Charm
17% of 175 decks
-8% synergy
Murder
16% of 176 decks
+13% synergy
Opt
16% of 167 decks
+7% synergy
Putrefy
15% of 39 decks
-0% synergy
Dark Ritual
15% of 176 decks
-7% synergy
Abrade
15% of 451 decks
+3% synergy
Beast Within
15% of 150 decks
-23% synergy
Bant Charm
13% of 30 decks
+9% synergy
Bedevil
13% of 92 decks
-1% synergy
Crackling Doom
12% of 41 decks
+5% synergy
Generous Gift
12% of 357 decks
-13% synergy
Rakdos Charm
12% of 92 decks
-3% synergy
Lightning Bolt
11% of 451 decks
+1% synergy
Take Up the Shield
11% of 357 decks
+10% synergy
Deflecting Palm
11% of 175 decks
+6% synergy
Despark
11% of 83 decks
-4% synergy
Heroic Intervention
11% of 150 decks
-19% synergy
Unbreakable Formation
10% of 357 decks
+3% synergy
Disenchant
10% of 357 decks
+6% synergy
Naturalize
9% of 150 decks
+7% synergy
Return to Nature
9% of 150 decks
+3% synergy
Unwind
8% of 167 decks
+6% synergy
Legion Leadership
8% of 109 decks
+3% synergy
Assassin's Trophy
8% of 39 decks
-23% synergy
Inventory Management
8% of 118 decks
+5% synergy
Master Warcraft
7% of 175 decks
+6% synergy
Wail of the Nim
7% of 176 decks
+7% synergy
You Are Already Dead
7% of 176 decks
+7% synergy
Utter End
7% of 83 decks
+1% synergy
Anguished Unmaking
7% of 83 decks
-17% synergy
Brainstorm
7% of 167 decks
-13% synergy
Adamant Will
7% of 357 decks
+6% synergy
Hunter's Insight
7% of 150 decks
+3% synergy
Tamiyo's Safekeeping
7% of 150 decks
+0% synergy
Return of the Wildspeaker
7% of 150 decks
-6% synergy
Cancel
7% of 167 decks
+5% synergy
Return to Dust
6% of 357 decks
+3% synergy
Flawless Maneuver
6% of 357 decks
-4% synergy
Wear // Tear
6% of 175 decks
-1% synergy
Transforming Flourish
6% of 16 decks
+6% synergy
Pyretic Rebirth
6% of 48 decks
+6% synergy
Cast Down
6% of 176 decks
+6% synergy
Valorous Stance
6% of 357 decks
+5% synergy
Teferi's Protection
6% of 357 decks
-13% synergy
Fog
6% of 150 decks
+3% synergy
Ram Through
6% of 150 decks
+3% synergy
Sorceries
Open the Armory
20% of 357 decks
+15% synergy
Rampant Growth
19% of 150 decks
-16% synergy
Blasphemous Act
18% of 451 decks
-15% synergy
Kodama's Reach
15% of 150 decks
-15% synergy
Tormenting Voice
13% of 451 decks
+10% synergy
Faithless Looting
12% of 451 decks
-4% synergy
Steelshaper's Gift
11% of 357 decks
+9% synergy
Broken Bond
11% of 150 decks
+9% synergy
Farseek
11% of 150 decks
-24% synergy
Cathartic Reunion
10% of 451 decks
+6% synergy
Response // Resurgence
10% of 175 decks
+8% synergy
Relentless Assault
9% of 451 decks
+6% synergy
Supreme Verdict
9% of 102 decks
-5% synergy
Single Combat
9% of 357 decks
+7% synergy
Read the Bones
9% of 176 decks
+1% synergy
Feed the Swarm
9% of 176 decks
-9% synergy
Notion Rain
8% of 48 decks
+7% synergy
Harmonize
8% of 150 decks
-1% synergy
Diabolic Tutor
8% of 176 decks
+2% synergy
Sign in Blood
8% of 176 decks
-1% synergy
Divination
8% of 167 decks
+7% synergy
Vandalblast
8% of 451 decks
-8% synergy
Grow from the Ashes
7% of 150 decks
+6% synergy
Nature's Lore
7% of 150 decks
-24% synergy
Chain Reaction
7% of 451 decks
+3% synergy
Ruinous Ultimatum
7% of 41 decks
-11% synergy
Damn
7% of 83 decks
-9% synergy
Nature's Spiral
7% of 150 decks
+6% synergy
Toxic Deluge
6% of 176 decks
-12% synergy
Saheeli's Directive
6% of 451 decks
+6% synergy
Chandra's Ignition
6% of 451 decks
+1% synergy
Decimate
6% of 65 decks
-2% synergy
Seize the Day
6% of 451 decks
+3% synergy
Explore
5% of 150 decks
-4% synergy
Cosmotronic Wave
5% of 451 decks
+5% synergy
Blazing Volley
5% of 451 decks
+4% synergy
Light Up the Stage
5% of 451 decks
+3% synergy
Role Reversal
5% of 97 decks
+4% synergy
Rip Apart
5% of 175 decks
+2% synergy
Night's Whisper
5% of 176 decks
-4% synergy
Seize the Spoils
5% of 451 decks
+2% synergy
Slash the Ranks
5% of 357 decks
+4% synergy
Utility Artifacts
Basilisk Collar
19% of 716 decks
+16% synergy
Behemoth Sledge
19% of 79 decks
+18% synergy
Leather Armor
19% of 716 decks
+19% synergy
Mirror Shield
18% of 716 decks
+18% synergy
Short Sword
18% of 716 decks
+18% synergy
Commander's Sphere
18% of 716 decks
+3% synergy
Loxodon Warhammer
17% of 716 decks
+15% synergy
Hero's Blade
17% of 716 decks
+16% synergy
Cranial Ram
17% of 48 decks
+15% synergy
Lightning Greaves
16% of 716 decks
-9% synergy
Bone Saw
16% of 716 decks
+16% synergy
Rogue's Gloves
16% of 716 decks
+16% synergy
Sword of the Animist
16% of 716 decks
+11% synergy
Haunted Cloak
16% of 716 decks
+15% synergy
Shield of the Avatar
15% of 716 decks
+15% synergy
Colossus Hammer
15% of 716 decks
+14% synergy
Goldvein Pick
15% of 716 decks
+14% synergy
Hammer of Nazahn
15% of 716 decks
+13% synergy
Mask of Memory
15% of 716 decks
+13% synergy
Paladin's Shield
15% of 357 decks
+15% synergy
Sunforger
14% of 175 decks
+10% synergy
Cathar's Shield
14% of 716 decks
+14% synergy
Assimilation Aegis
14% of 79 decks
+13% synergy
Sword of Vengeance
14% of 716 decks
+13% synergy
Darksteel Plate
13% of 716 decks
+12% synergy
Bladehold War-Whip
13% of 175 decks
+12% synergy
Golem-Skin Gauntlets
13% of 716 decks
+13% synergy
Masterwork of Ingenuity
13% of 716 decks
+12% synergy
Diamond Pick-Axe
13% of 363 decks
+11% synergy
Beamtown Beatstick
13% of 451 decks
+11% synergy
Fireshrieker
13% of 716 decks
+11% synergy
Mask of Riddles
12% of 48 decks
+12% synergy
Mardu Banner
12% of 41 decks
+11% synergy
Mask of Avacyn
12% of 716 decks
+12% synergy
Cobbled Wings
12% of 716 decks
+12% synergy
Accorder's Shield
12% of 716 decks
+12% synergy
Brass Knuckles
12% of 716 decks
+12% synergy
Ring of Valkas
12% of 716 decks
+11% synergy
Infiltration Lens
12% of 716 decks
+11% synergy
Argentum Armor
12% of 716 decks
+11% synergy
Bloodforged Battle-Axe
12% of 716 decks
+11% synergy
Maul of the Skyclaves
11% of 357 decks
+10% synergy
Doors of Durin
11% of 62 decks
+9% synergy
Greatsword of Tyr
11% of 357 decks
+10% synergy
The Key to the Vault
10% of 124 decks
+9% synergy
Armory of Iroas
10% of 716 decks
+10% synergy
Bonesplitter
10% of 716 decks
+10% synergy
Trailblazer's Boots
10% of 716 decks
+8% synergy
Barrow-Blade
10% of 678 decks
+10% synergy
Mithril Coat
10% of 670 decks
+5% synergy
Enchantments
Pestilence
16% of 176 decks
+15% synergy
All That Glitters
16% of 357 decks
+10% synergy
Knights' Charge
16% of 83 decks
+14% synergy
Impact Tremors
15% of 451 decks
+5% synergy
Dragon Mantle
15% of 451 decks
+14% synergy
Forge Anew
13% of 334 decks
+11% synergy
Outpost Siege
12% of 451 decks
+10% synergy
Warstorm Surge
12% of 451 decks
+7% synergy
Whirlwind of Thought
12% of 58 decks
+2% synergy
On Serra's Wings
12% of 357 decks
+11% synergy
Forging the Tyrite Sword
11% of 175 decks
+10% synergy
Curiosity
11% of 167 decks
+8% synergy
Blacksmith's Talent
11% of 232 decks
+10% synergy
Mantle of the Ancients
10% of 357 decks
+8% synergy
Shield of the Oversoul
10% of 79 decks
+8% synergy
Tooth and Claw
10% of 451 decks
+9% synergy
Sticky Fingers
10% of 451 decks
+7% synergy
Snake Umbra
9% of 150 decks
+6% synergy
Phyrexian Arena
9% of 176 decks
-6% synergy
Training Grounds
9% of 167 decks
+6% synergy
Berserkers' Onslaught
8% of 451 decks
+7% synergy
Goblin Bombardment
8% of 451 decks
+2% synergy
Rune of Might
8% of 150 decks
+7% synergy
Colossal Majesty
8% of 150 decks
+5% synergy
Rancor
8% of 150 decks
+3% synergy
Garruk's Uprising
8% of 150 decks
-8% synergy
Aqueous Form
8% of 167 decks
+4% synergy
Theater of Horrors
8% of 92 decks
+6% synergy
Unflinching Courage
8% of 79 decks
+6% synergy
Buried in the Garden
8% of 53 decks
+6% synergy
Frenzied Rage
8% of 451 decks
+7% synergy
Demonic Vigor
7% of 176 decks
+7% synergy
Utopia Sprawl
7% of 150 decks
-1% synergy
Wild Growth
7% of 150 decks
-4% synergy
Propaganda
7% of 167 decks
-5% synergy
Dub
7% of 357 decks
+7% synergy
Spirit Mantle
7% of 357 decks
+4% synergy
Regeneration
7% of 150 decks
+7% synergy
Blanchwood Armor
7% of 150 decks
+6% synergy
Shared Animosity
7% of 451 decks
+2% synergy
Angelic Gift
6% of 357 decks
+5% synergy
Unquestioned Authority
6% of 357 decks
+4% synergy
Goblin War Drums
6% of 451 decks
+6% synergy
Last Laugh
6% of 176 decks
+6% synergy
Pacifism
6% of 357 decks
+6% synergy
Timely Ward
6% of 357 decks
+4% synergy
Fertile Ground
6% of 150 decks
+2% synergy
Bear Umbra
6% of 150 decks
+2% synergy
Steel of the Godhead
6% of 102 decks
+4% synergy
Ghostly Prison
6% of 357 decks
-5% synergy
Planeswalkers
Nahiri, Storm of Stone
7% of 175 decks
+7% synergy
Nahiri, Heir of the Ancients
7% of 175 decks
+6% synergy
Nahiri, the Lithomancer
5% of 357 decks
+5% synergy
Utility Lands
Rogue's Passage
25% of 716 decks
+5% synergy
Axgard Armory
17% of 175 decks
+14% synergy
Sunhome, Fortress of the Legion
14% of 175 decks
+9% synergy
Slayers' Stronghold
14% of 175 decks
+8% synergy
Reliquary Tower
12% of 716 decks
-17% synergy
Temple of the False God
12% of 716 decks
+2% synergy
Buried Ruin
10% of 716 decks
+5% synergy
Archway of Innovation
9% of 117 decks
+6% synergy
Forgotten Cave
9% of 451 decks
+5% synergy
Bojuka Bog
9% of 176 decks
-21% synergy
Vault of the Archangel
8% of 83 decks
-3% synergy
Castle Embereth
8% of 451 decks
+5% synergy
Castle Ardenvale
8% of 357 decks
+3% synergy
Cabal Coffers
8% of 176 decks
-2% synergy
Kessig Wolf Run
8% of 65 decks
-8% synergy
Memorial to Folly
7% of 176 decks
+6% synergy
Memorial to Glory
6% of 357 decks
+6% synergy
Skarrg, the Rage Pits
6% of 65 decks
+3% synergy
Mosswort Bridge
6% of 150 decks
-4% synergy
Seat of the Synod
6% of 167 decks
-0% synergy
Ancient Den
6% of 357 decks
+1% synergy
Great Furnace
6% of 451 decks
+0% synergy
Academy Ruins
5% of 167 decks
+1% synergy
Mana Artifacts
Sol Ring
58% of 716 decks
-26% synergy
Arcane Signet
42% of 716 decks
-30% synergy
Rakdos Signet
36% of 92 decks
+7% synergy
Dimir Signet
23% of 48 decks
-6% synergy
Boros Signet
23% of 175 decks
+0% synergy
Orzhov Signet
22% of 83 decks
-5% synergy
Izzet Signet
19% of 97 decks
-9% synergy
Talisman of Conviction
18% of 175 decks
-6% synergy
Talisman of Creativity
18% of 97 decks
-11% synergy
Gruul Signet
17% of 65 decks
+5% synergy
Fire Diamond
15% of 451 decks
+10% synergy
Talisman of Indulgence
13% of 92 decks
-14% synergy
Golgari Signet
13% of 39 decks
+1% synergy
Azorius Signet
12% of 102 decks
-13% synergy
Charcoal Diamond
11% of 176 decks
+6% synergy
Talisman of Impulse
11% of 65 decks
+1% synergy
Thought Vessel
10% of 716 decks
-7% synergy
Talisman of Progress
10% of 102 decks
-14% synergy
Fellwar Stone
9% of 716 decks
-12% synergy
Selesnya Signet
9% of 79 decks
+0% synergy
Moss Diamond
9% of 150 decks
+7% synergy
Simic Signet
8% of 39 decks
-6% synergy
Heraldic Banner
8% of 716 decks
+6% synergy
Marble Diamond
7% of 357 decks
+3% synergy
Talisman of Hierarchy
6% of 83 decks
-19% synergy
Sky Diamond
6% of 167 decks
+1% synergy
Manalith
6% of 716 decks
+5% synergy
Lands
Nomad Outpost
41% of 41 decks
+13% synergy
Command Tower
38% of 716 decks
-36% synergy
Savage Lands
38% of 21 decks
+15% synergy
Seaside Citadel
37% of 30 decks
+10% synergy
Jungle Shrine
35% of 26 decks
+2% synergy
Raugrin Triome
33% of 58 decks
+7% synergy
Mystic Monastery
33% of 58 decks
+6% synergy
Temple of Abandon
32% of 65 decks
+18% synergy
Tournament Grounds
32% of 41 decks
+30% synergy
Opulent Palace
29% of 17 decks
+2% synergy
Dismal Backwater
29% of 48 decks
+22% synergy
Scoured Barrens
29% of 83 decks
+20% synergy
Sulfur Falls
29% of 97 decks
-3% synergy
Crumbling Necropolis
29% of 21 decks
-2% synergy
Frontier Bivouac
28% of 18 decks
-0% synergy
Steam Vents
27% of 97 decks
-12% synergy
Sandsteppe Citadel
26% of 19 decks
+1% synergy
Cinder Glade
26% of 65 decks
-12% synergy
Hallowed Fountain
25% of 102 decks
-15% synergy
Arcane Sanctum
25% of 32 decks
-3% synergy
Smoldering Marsh
25% of 92 decks
-8% synergy
Wind-Scarred Crag
25% of 175 decks
+18% synergy
Clifftop Retreat
25% of 175 decks
-6% synergy
Temple of Silence
24% of 83 decks
+6% synergy
Bloodfell Caves
23% of 92 decks
+16% synergy
Savai Triome
22% of 41 decks
-4% synergy
Evolving Wilds
22% of 716 decks
+1% synergy
Tranquil Cove
22% of 102 decks
+15% synergy
Blossoming Sands
22% of 79 decks
+15% synergy
Temple of Triumph
21% of 175 decks
+4% synergy
Temple of Deceit
21% of 48 decks
+4% synergy
Temple of Malady
21% of 39 decks
+4% synergy
Isolated Chapel
20% of 83 decks
-9% synergy
Canopy Vista
20% of 79 decks
-16% synergy
Rakdos Carnarium
20% of 92 decks
+5% synergy
Soured Springs
19% of 36 decks
+18% synergy
Boros Garrison
19% of 175 decks
+5% synergy
Boros Guildgate
19% of 175 decks
+14% synergy
Glacial Fortress
19% of 102 decks
-9% synergy
Swiftwater Cliffs
19% of 97 decks
+12% synergy
Dragonskull Summit
18% of 92 decks
-13% synergy
Game Trail
18% of 65 decks
+2% synergy
Perilous Landscape
18% of 44 decks
+10% synergy
Thornwood Falls
18% of 39 decks
+11% synergy
Myriad Landscape
18% of 716 decks
-1% synergy
Sacred Foundry
18% of 175 decks
-18% synergy
Blood Crypt
17% of 92 decks
-21% synergy
Battlefield Forge
17% of 175 decks
-9% synergy
Rootbound Crag
17% of 65 decks
-8% synergy
Sea of Clouds
17% of 102 decks
-9% synergy