Ral, Caller of Storms (Card)

Ral, Caller of Storms
In 1400 decks 0.11% of 1326101 decks
Nicholas Lucchesi
Feb 15, 2024
Myth Realized - What if Any Planeswalker Could Be Your Commander? (Izzet)
Would you want to see these Izzet planeswalkers in the command zone?
Joseph Megill
Aug 31, 2020
Ranking Every Planeswalker with EDHREC – Part 2: A Tribe of Chads
Ranking every planeswalker in EDH using EDHREC!
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Niv-Mizzet, Parun
1.14% of 15668 decks 178 decks
Ral, Monsoon Mage
5.70% of 1789 decks 102 decks
Esika, God of the Tree
0.50% of 19661 decks 99 decks
Commodore Guff
1.17% of 7075 decks 83 decks
Ghyrson Starn, Kelermorph
0.46% of 16559 decks 76 decks
Rowan Kenrith // Will Kenrith
4.19% of 859 decks 36 decks
Niv-Mizzet, Guildpact
1.03% of 3101 decks 32 decks
Narset, Enlightened Master
0.54% of 5930 decks 32 decks
The Locust God
0.49% of 5975 decks 29 decks
Veyran, Voice of Duality
0.29% of 9163 decks 27 decks
Pramikon, Sky Rampart
0.45% of 5120 decks 23 decks
Keranos, God of Storms
2.33% of 943 decks 22 decks
Nicol Bolas, the Ravager
0.28% of 7596 decks 21 decks
Niv-Mizzet, the Firemind
1.86% of 1023 decks 19 decks
Jared Carthalion
0.40% of 4447 decks 18 decks
Niv-Mizzet, Visionary
0.40% of 4517 decks 18 decks
Mizzix of the Izmagnus
0.35% of 5109 decks 18 decks
Melek, Izzet Paragon
1.09% of 1566 decks 17 decks
Niv-Mizzet Reborn
0.40% of 4218 decks 17 decks
Alania, Divergent Storm
0.31% of 5524 decks 17 decks
New Cards
Elspeth, Storm Slayer
12% of 42 decks +8% synergy
Stormscale Scion
1% of 218 decks +0% synergy
High Synergy Cards
Oath of Teferi
49% of 469 decks +46% synergy
Narset of the Ancient Way
42% of 469 decks +39% synergy
Nicol Bolas, Dragon-God
41% of 331 decks +37% synergy
Ral Zarek
33% of 1400 decks +31% synergy
Elspeth, Sun's Champion
34% of 469 decks +30% synergy
The Wanderer
30% of 469 decks +29% synergy
Primevals' Glorious Rebirth
33% of 242 decks +29% synergy
Oath of Gideon
28% of 469 decks +27% synergy
Carth the Lion
28% of 241 decks +27% synergy
Goblin Electromancer
35% of 1400 decks +26% synergy
Top Cards
Counterspell
35% of 1400 decks -7% synergy
Farseek
30% of 336 decks -5% synergy
Brainstorm
29% of 1400 decks +9% synergy
Ral, Storm Conduit
28% of 1400 decks +25% synergy
Swords to Plowshares
26% of 469 decks -36% synergy
Nicol Bolas, God-Pharaoh
25% of 331 decks +22% synergy
Niv-Mizzet, Parun
25% of 1400 decks +17% synergy
Tamiyo, Field Researcher
25% of 266 decks +20% synergy
Opt
25% of 1400 decks +15% synergy
Ral, Crackling Wit
25% of 735 decks +21% synergy
Game Changers
Narset, Parter of Veils
15% of 1400 decks +11% synergy
Cyclonic Rift
15% of 1400 decks -11% synergy
Smothering Tithe
15% of 469 decks -9% synergy
Jeska's Will
10% of 1400 decks -6% synergy
Teferi's Protection
9% of 469 decks -10% synergy
Demonic Tutor
9% of 331 decks -12% synergy
Mystical Tutor
9% of 1400 decks -5% synergy
Fierce Guardianship
7% of 1400 decks -11% synergy
Deflecting Swat
7% of 1400 decks -10% synergy
Enlightened Tutor
5% of 469 decks -12% synergy
Creatures
Guttersnipe
23% of 1400 decks +17% synergy
Niv-Mizzet, the Firemind
23% of 1400 decks +19% synergy
Mila, Crafty Companion
23% of 469 decks +22% synergy
Atraxa, Praetors' Voice
23% of 238 decks +19% synergy
Faeburrow Elder
22% of 266 decks +11% synergy
Onakke Oathkeeper
20% of 440 decks +20% synergy
Stormcatch Mentor
20% of 735 decks +14% synergy
Evolution Sage
20% of 336 decks +13% synergy
Lae'zel, Vlaakith's Champion
19% of 469 decks +16% synergy
Archmage Emeritus
19% of 1400 decks +11% synergy
Flux Channeler
19% of 1400 decks +16% synergy
Storm-Kiln Artist
18% of 1400 decks +9% synergy
Niv-Mizzet, Visionary
16% of 468 decks +13% synergy
Coruscation Mage
16% of 727 decks +13% synergy
Vorinclex, Monstrous Raider
16% of 336 decks +12% synergy
Electrostatic Field
16% of 1400 decks +13% synergy
Grateful Apparition
16% of 469 decks +14% synergy
Birds of Paradise
15% of 336 decks -12% synergy
Dryad of the Ilysian Grove
14% of 336 decks +7% synergy
Spark Double
14% of 1400 decks +7% synergy
Talrand, Sky Summoner
14% of 1400 decks +9% synergy
Gold-Forged Thopteryx
13% of 469 decks +10% synergy
Deepglow Skate
13% of 1400 decks +11% synergy
Tomik, Wielder of Law
12% of 183 decks +11% synergy
Bloom Tender
12% of 336 decks +4% synergy
Jegantha, the Wellspring
12% of 238 decks +6% synergy
Archmage of Runes
12% of 468 decks +9% synergy
Leori, Sparktouched Hunter
11% of 440 decks +10% synergy
Melek, Izzet Paragon
11% of 1400 decks +10% synergy
Young Pyromancer
11% of 1400 decks +7% synergy
Niv-Mizzet, Dracogenius
11% of 1400 decks +10% synergy
Crackling Drake
10% of 1400 decks +10% synergy
Nicol Bolas, the Ravager
10% of 331 decks +8% synergy
Niv-Mizzet Reborn
10% of 238 decks +8% synergy
Thrummingbird
10% of 1400 decks +7% synergy
The Locust God
10% of 1400 decks +5% synergy
Murmuring Mystic
10% of 1400 decks +7% synergy
Third Path Iconoclast
10% of 1400 decks +3% synergy
Thermo-Alchemist
9% of 1400 decks +7% synergy
Pir, Imaginative Rascal
9% of 336 decks +8% synergy
Mangara, the Diplomat
9% of 469 decks +5% synergy
Noble Hierarch
9% of 266 decks -7% synergy
Ral, Monsoon Mage
9% of 844 decks +7% synergy
Stormsplitter
8% of 720 decks +7% synergy
Baral, Chief of Compliance
8% of 1400 decks +6% synergy
Kethis, the Hidden Hand
8% of 238 decks +6% synergy
Veyran, Voice of Duality
8% of 1400 decks +3% synergy
Alania, Divergent Storm
8% of 735 decks +7% synergy
Jori En, Ruin Diver
8% of 1400 decks +6% synergy
Djeru, With Eyes Open
8% of 469 decks +7% synergy
Instants
Lightning Bolt
22% of 1400 decks +12% synergy
Negate
22% of 1400 decks -0% synergy
Izzet Charm
22% of 1400 decks +17% synergy
Path to Exile
19% of 469 decks -28% synergy
Chaos Warp
18% of 1400 decks -13% synergy
Frantic Search
18% of 1400 decks +5% synergy
Boros Charm
14% of 469 decks -10% synergy
Semester's End
14% of 469 decks +12% synergy
Expansion // Explosion
14% of 1400 decks +11% synergy
Invert Polarity
12% of 840 decks +9% synergy
Ionize
12% of 1400 decks +11% synergy
Arcane Denial
12% of 1400 decks -8% synergy
Growth Spiral
12% of 336 decks -10% synergy
Ral's Dispersal
11% of 1400 decks +11% synergy
Dovin's Veto
10% of 469 decks -8% synergy
Electrolyze
10% of 1400 decks +9% synergy
Prismari Command
10% of 1400 decks +5% synergy
Abrade
9% of 1400 decks -2% synergy
Consider
9% of 1400 decks +3% synergy
Counterflux
9% of 1400 decks +7% synergy
Galvanic Iteration
9% of 1400 decks +6% synergy
Aetherize
9% of 1400 decks +3% synergy
Thrill of Possibility
9% of 1400 decks -1% synergy
Shock
9% of 1400 decks +7% synergy
Snap
8% of 1400 decks +1% synergy
Flame of Anor
8% of 1354 decks +4% synergy
Seething Song
8% of 1400 decks +2% synergy
Bedevil
8% of 331 decks -6% synergy
Golgari Charm
7% of 241 decks +2% synergy
Electrodominance
7% of 1400 decks +6% synergy
An Offer You Can't Refuse
7% of 1400 decks -14% synergy
Rakdos Charm
7% of 331 decks -7% synergy
Pongify
7% of 1400 decks -4% synergy
Experimental Augury
7% of 1400 decks +5% synergy
Big Score
7% of 1400 decks -2% synergy
Generous Gift
7% of 469 decks -18% synergy
Ignite the Beacon
7% of 469 decks +7% synergy
Mana Drain
7% of 1400 decks -8% synergy
Refute
7% of 468 decks +4% synergy
Orzhov Charm
7% of 242 decks +6% synergy
Simic Charm
7% of 336 decks +3% synergy
Cancel
6% of 1400 decks +5% synergy
Mutational Advantage
6% of 234 decks +2% synergy
Selesnya Charm
6% of 266 decks +6% synergy
Chemister's Insight
6% of 1400 decks +6% synergy
Beast Within
6% of 336 decks -31% synergy
Lightning Strike
6% of 1400 decks +5% synergy
Comet Storm
6% of 1400 decks +3% synergy
Manamorphose
6% of 336 decks +3% synergy
Atomize
6% of 169 decks +2% synergy
Sorceries
Blasphemous Act
24% of 1400 decks -10% synergy
Cultivate
22% of 336 decks -23% synergy
Nature's Lore
20% of 336 decks -12% synergy
Ponder
20% of 1400 decks +7% synergy
Deploy the Gatewatch
18% of 469 decks +18% synergy
Rampant Growth
18% of 336 decks -17% synergy
Preordain
17% of 1400 decks +7% synergy
Faithless Looting
16% of 1400 decks -0% synergy
Grapeshot
16% of 1400 decks +12% synergy
Urza's Ruinous Blast
15% of 469 decks +13% synergy
Kodama's Reach
15% of 336 decks -15% synergy
Vandalblast
14% of 1400 decks -2% synergy
Supreme Verdict
13% of 469 decks -1% synergy
Tezzeret's Gambit
12% of 1400 decks +9% synergy
Farewell
12% of 469 decks -1% synergy
Promise of Loyalty
11% of 469 decks +8% synergy
Windfall
11% of 1400 decks -2% synergy
Expressive Iteration
11% of 1400 decks +4% synergy
Three Visits
10% of 336 decks -14% synergy
Mizzix's Mastery
10% of 1400 decks +7% synergy
Boltwave
10% of 453 decks +7% synergy
Merciless Eviction
10% of 242 decks +6% synergy
Mana Geyser
9% of 1400 decks +3% synergy
Time Wipe
9% of 469 decks +2% synergy
Serum Visions
9% of 1400 decks +5% synergy
Beacon Bolt
9% of 1400 decks +8% synergy
Skyshroud Claim
9% of 336 decks -0% synergy
Contentious Plan
8% of 1400 decks +7% synergy
Epic Experiment
8% of 1400 decks +7% synergy
Circuitous Route
8% of 336 decks +6% synergy
Triumphant Reckoning
8% of 469 decks +8% synergy
Stitch in Time
8% of 1400 decks +7% synergy
Call the Gatewatch
8% of 469 decks +7% synergy
Eerie Ultimatum
8% of 238 decks -4% synergy
Mizzium Mortars
7% of 1400 decks +6% synergy
Invoke the Firemind
7% of 1400 decks +7% synergy
Primal Surge
7% of 336 decks +6% synergy
Wrath of God
7% of 469 decks +1% synergy
Treasure Cruise
6% of 1400 decks +1% synergy
Lock and Load
6% of 918 decks +5% synergy
Austere Command
6% of 469 decks -6% synergy
Mind's Desire
6% of 1400 decks +5% synergy
Tempt with Discovery
6% of 336 decks +2% synergy
Blasphemous Edict
6% of 113 decks -1% synergy
Solve the Equation
6% of 1400 decks +2% synergy
Gitaxian Probe
6% of 1400 decks +0% synergy
Elemental Eruption
6% of 918 decks +5% synergy
Chain Reaction
5% of 1400 decks +1% synergy
End the Festivities
5% of 1400 decks +3% synergy
Explore
5% of 336 decks -4% synergy
Utility Artifacts
Commander's Sphere
24% of 1400 decks +9% synergy
Ichormoon Gauntlet
16% of 1400 decks +14% synergy
The Chain Veil
15% of 1400 decks +14% synergy
Norn's Annex
14% of 469 decks +12% synergy
Swiftfoot Boots
14% of 1400 decks -14% synergy
Izzet Locket
12% of 1400 decks +11% synergy
Mind Stone
11% of 1400 decks -6% synergy
Lightning Greaves
9% of 1400 decks -16% synergy
Izzet Cluestone
7% of 1400 decks +7% synergy
Wayfarer's Bauble
7% of 1400 decks -3% synergy
Sapphire Medallion
6% of 1400 decks +3% synergy
Mindsplice Apparatus
6% of 1400 decks +4% synergy
Ruby Medallion
5% of 1400 decks +2% synergy
Enchantments
Thousand-Year Storm
22% of 1400 decks +18% synergy
Doubling Season
22% of 336 decks +13% synergy
Brokers Ascendancy
20% of 266 decks +13% synergy
Leyline of the Guildpact
18% of 178 decks +2% synergy
Oath of Nissa
16% of 336 decks +16% synergy
Oath of Ajani
16% of 266 decks +15% synergy
Curiosity
15% of 1400 decks +11% synergy
Whirlwind of Thought
15% of 469 decks +5% synergy
Rhystic Study
14% of 1400 decks -12% synergy
Dueling Grounds
11% of 266 decks +10% synergy
Propaganda
11% of 1400 decks -1% synergy
Firemind's Research
10% of 1400 decks +10% synergy
Oath of Kaya
10% of 242 decks +9% synergy
Urza Assembles the Titans
9% of 469 decks +9% synergy
Mirari's Wake
9% of 266 decks -4% synergy
Ghostly Prison
9% of 469 decks -3% synergy
Rite of the Dragoncaller
8% of 453 decks +7% synergy
Stormchaser's Talent
8% of 717 decks +7% synergy
Wizard Class
8% of 1400 decks +4% synergy
Inexorable Tide
8% of 1400 decks +6% synergy
Oath of Jace
8% of 1400 decks +8% synergy
Elspeth's Talent
8% of 469 decks +8% synergy
Sorcerer Class
8% of 1400 decks +5% synergy
Ophidian Eye
7% of 1400 decks +6% synergy
Teferi's Ageless Insight
7% of 1400 decks +2% synergy
Case of the Ransacked Lab
7% of 1036 decks +5% synergy
Teferi's Talent
7% of 1400 decks +6% synergy
Jace's Sanctum
6% of 1400 decks +5% synergy
Swarm Intelligence
6% of 1400 decks +5% synergy
Artist's Talent
6% of 735 decks +4% synergy
Fiery Inscription
6% of 1354 decks +2% synergy
Burgeoning
6% of 336 decks +2% synergy
Impact Tremors
6% of 1400 decks -4% synergy
Maelstrom Nexus
5% of 238 decks -2% synergy
Double Vision
5% of 1400 decks +4% synergy
Arcane Bombardment
5% of 1400 decks +4% synergy
Rhythm of the Wild
5% of 336 decks -18% synergy
Amphibian Downpour
5% of 836 decks +3% synergy
Sphere of Safety
5% of 469 decks +0% synergy
Heartbeat of Spring
5% of 336 decks +4% synergy
Shark Typhoon
5% of 1400 decks +2% synergy
Planeswalkers
Commodore Guff
23% of 469 decks +22% synergy
Ajani Steadfast
23% of 469 decks +22% synergy
Vraska, Betrayal's Sting
23% of 331 decks +20% synergy
Teferi, Hero of Dominaria
23% of 469 decks +21% synergy
Ral, Izzet Viceroy
22% of 1400 decks +22% synergy
Nicol Bolas, Planeswalker
21% of 331 decks +19% synergy
Vraska, Relic Seeker
20% of 241 decks +19% synergy
Teferi, Time Raveler
19% of 469 decks +12% synergy
Kaya the Inexorable
19% of 242 decks +17% synergy
The Eternal Wanderer
18% of 469 decks +16% synergy
Teferi, Who Slows the Sunset
18% of 469 decks +16% synergy
Ajani, Mentor of Heroes
18% of 266 decks +17% synergy
Liliana, Dreadhorde General
18% of 331 decks +14% synergy
Teyo, Geometric Tactician
17% of 440 decks +16% synergy
Ajani, Sleeper Agent
17% of 266 decks +15% synergy
Ajani, the Greathearted
17% of 266 decks +14% synergy
Oko, Thief of Crowns
16% of 336 decks +11% synergy
Narset Transcendent
16% of 469 decks +15% synergy
Garruk, Cursed Huntsman
15% of 241 decks +13% synergy
Dovin, Architect of Law
15% of 469 decks +15% synergy
Ajani Unyielding
15% of 266 decks +14% synergy
Vraska the Unseen
15% of 241 decks +14% synergy
Dovin Baan
15% of 469 decks +14% synergy
Nicol Bolas, the Deceiver
15% of 331 decks +14% synergy
Chandra, Torch of Defiance
14% of 1400 decks +12% synergy
Chandra, Awakened Inferno
14% of 1400 decks +12% synergy
Ashiok, Dream Render
14% of 331 decks +10% synergy
Wrenn and Realmbreaker
13% of 336 decks +12% synergy
Ob Nixilis Reignited
13% of 331 decks +12% synergy
Teferi, Temporal Archmage
13% of 1400 decks +12% synergy
Teyo, the Shieldmage
13% of 469 decks +13% synergy
Nahiri, the Harbinger
13% of 469 decks +12% synergy
Vraska, Golgari Queen
13% of 241 decks +10% synergy
Nissa, Who Shakes the World
13% of 336 decks +10% synergy
Kasmina, Enigma Sage
12% of 336 decks +12% synergy
Sorin, Grim Nemesis
12% of 242 decks +12% synergy
Saheeli, Sublime Artificer
12% of 1400 decks +8% synergy
Chandra, Legacy of Fire
12% of 1296 decks +12% synergy
Kiora, the Crashing Wave
12% of 336 decks +11% synergy
Dovin, Hand of Control
12% of 469 decks +11% synergy
Aminatou, the Fateshifter
12% of 242 decks +9% synergy
Kasmina, Enigmatic Mentor
12% of 1400 decks +11% synergy
Kaya, Intangible Slayer
12% of 242 decks +10% synergy
Teferi, Master of Time
11% of 1400 decks +9% synergy
Ashiok, Nightmare Muse
11% of 331 decks +10% synergy
Ajani Vengeant
11% of 469 decks +11% synergy
Dovin, Grand Arbiter
11% of 469 decks +11% synergy
Venser, the Sojourner
11% of 469 decks +9% synergy
Ashiok, Nightmare Weaver
11% of 331 decks +10% synergy
Garruk, Apex Predator
10% of 241 decks +10% synergy
Utility Lands
Reliquary Tower
43% of 1400 decks +14% synergy
Karn's Bastion
18% of 1400 decks +13% synergy
Interplanar Beacon
16% of 1400 decks +15% synergy
Mystic Sanctuary
13% of 1400 decks +2% synergy
Temple of the False God
10% of 1400 decks +0% synergy
Boseiju, Who Endures
9% of 336 decks -10% synergy
Desolate Lighthouse
6% of 1400 decks +2% synergy
Great Hall of the Citadel
6% of 1354 decks +5% synergy
Restless Spire
5% of 1247 decks +3% synergy
Mana Artifacts
Sol Ring
73% of 1400 decks -11% synergy
Arcane Signet
64% of 1400 decks -9% synergy
Izzet Signet
39% of 1400 decks +12% synergy
Azorius Signet
25% of 469 decks -0% synergy
Boros Signet
24% of 469 decks +1% synergy
Thought Vessel
22% of 1400 decks +5% synergy
Talisman of Creativity
21% of 1400 decks -8% synergy
Fellwar Stone
19% of 1400 decks -2% synergy
Chromatic Lantern
17% of 1400 decks +8% synergy
Talisman of Conviction
17% of 469 decks -7% synergy
Talisman of Progress
16% of 469 decks -9% synergy
Gatewatch Beacon
15% of 440 decks +15% synergy
Dimir Signet
15% of 331 decks -14% synergy
Rakdos Signet
14% of 331 decks -15% synergy
Orzhov Signet
13% of 242 decks -13% synergy
Simic Signet
11% of 336 decks -2% synergy
Decanter of Endless Water
11% of 1400 decks +7% synergy
Timeless Lotus
11% of 238 decks -1% synergy
Gruul Signet
10% of 336 decks -1% synergy
Golgari Signet
10% of 241 decks -2% synergy
Selesnya Signet
9% of 266 decks +1% synergy
Midnight Clock
8% of 1400 decks +3% synergy
Gilded Lotus
6% of 1400 decks +2% synergy
Firemind Vessel
5% of 1400 decks +5% synergy
Talisman of Dominance
5% of 331 decks -27% synergy
Lands
Command Tower
75% of 1400 decks +1% synergy
Temple of Epiphany
36% of 1400 decks +17% synergy
Izzet Boilerworks
34% of 1400 decks +18% synergy
Mystic Monastery
34% of 469 decks +6% synergy
Spara's Headquarters
33% of 266 decks +4% synergy
Temple Garden
33% of 266 decks -7% synergy
Exotic Orchard
32% of 1400 decks -4% synergy
Sulfur Falls
32% of 1400 decks -1% synergy
Steam Vents
30% of 1400 decks -8% synergy
Ketria Triome
29% of 336 decks -3% synergy
Watery Grave
28% of 331 decks -12% synergy
Izzet Guildgate
28% of 1400 decks +23% synergy
Hallowed Fountain
28% of 469 decks -12% synergy
Breeding Pool
28% of 336 decks -13% synergy
Stomping Ground
27% of 336 decks -13% synergy
The World Tree
27% of 238 decks -5% synergy
Crumbling Necropolis
27% of 331 decks -4% synergy
Raugrin Triome
26% of 469 decks +1% synergy
Frostboil Snarl
26% of 1400 decks +11% synergy
Swiftwater Cliffs
26% of 1400 decks +19% synergy
Shivan Reef
25% of 1400 decks -3% synergy
Evolving Wilds
24% of 1400 decks +3% synergy
Overgrown Tomb
23% of 241 decks -18% synergy
Indatha Triome
23% of 238 decks -7% synergy
Sacred Foundry
23% of 469 decks -12% synergy
Prairie Stream
23% of 469 decks -11% synergy
Jetmir's Garden
23% of 266 decks -8% synergy
Godless Shrine
22% of 242 decks -18% synergy
Cascade Bluffs
21% of 1400 decks +9% synergy
Frontier Bivouac
21% of 336 decks -7% synergy
Orzhov Guildgate
21% of 242 decks +16% synergy
Blood Crypt
21% of 331 decks -17% synergy
Golgari Guildgate
20% of 241 decks +14% synergy
Ziatora's Proving Ground
20% of 241 decks -10% synergy
Zagoth Triome
20% of 241 decks -10% synergy
Stormcarved Coast
20% of 1400 decks +2% synergy
Raffine's Tower
19% of 242 decks -7% synergy
Savai Triome
19% of 242 decks -7% synergy
Training Center
19% of 1400 decks -8% synergy
Selesnya Guildgate
19% of 266 decks +14% synergy
Xander's Lounge
18% of 331 decks -7% synergy
Gruul Guildgate
17% of 336 decks +13% synergy
Rakdos Guildgate
17% of 331 decks +13% synergy
Dimir Guildgate
17% of 331 decks +13% synergy
Simic Guildgate
17% of 336 decks +11% synergy
Savannah
17% of 266 decks +4% synergy
Sea of Clouds
16% of 469 decks -9% synergy
Rejuvenating Springs
16% of 336 decks -12% synergy
Temple of Enlightenment
16% of 469 decks -1% synergy
Bayou
15% of 241 decks +2% synergy