Aggravated Assault + Bear Umbra + Pako, Arcane Retriever

Aggravated Assault
Bear Umbra
Pako, Arcane Retriever

Requires
Aggravated Assault must be on the battlefield. Bear Umbra must be on the battlefield. Pako, Arcane Retriever must be on the battlefield. Bear Umbra attached to Pako. You control lands that can tap to produce at least 3rr. An opponent is unable to block and kill creatures you control.
Steps
  1. Declare Pako as attacker.
  2. Pako and Bear Umbra triggers.
  3. Resolve the Pako triggers, exiling the top card of each player's library and putting a fetch counter on each of them, putting a +1/+1 counter on Pako for each noncreature card exiled this way.
  4. Resolve the Bear Umbra triggers, untapping all lands you control.
  5. Proceed to your next main phase.
  6. Activate Aggravated Assault by paying 3rr, untapping all creatures you control and getting an additional combat and main phase after this one.
  7. Repeat.
Results
Infinite combat phases. Infinitely large Pako.

Top Commanders (1)
Haldan, Avid Arcanist // Pako, Arcane Retriever
11.04% of 6171 decks 681 decks
New Cards (5)
Great Train Heist
47% of 17 decks +40% synergy
Doc Aurlock, Grizzled Genius
46% of 28 decks +43% synergy
The Key to the Vault
41% of 17 decks +37% synergy
Silver Shroud Costume
39% of 51 decks +35% synergy
Hedge Maze
35% of 77 decks +30% synergy
High Synergy Cards (10)
Enlightened Tutor
83% of 6 decks +75% synergy
Seize the Day
70% of 695 decks +69% synergy
Memory Lapse
67% of 685 decks +66% synergy
Aqueous Form
67% of 685 decks +65% synergy
Exploration
63% of 695 decks +60% synergy
Brainstorm
65% of 685 decks +54% synergy
Moraug, Fury of Akoum
55% of 686 decks +53% synergy
Farseek
67% of 695 decks +52% synergy
Noxious Revival
54% of 695 decks +51% synergy
Relentless Assault
51% of 695 decks +49% synergy
Top Cards (10)
Nature's Lore
63% of 695 decks +49% synergy
Beast Within
63% of 695 decks +43% synergy
Cultivate
61% of 695 decks +38% synergy
Counterspell
60% of 685 decks +39% synergy
Winged Boots
56% of 652 decks +55% synergy
Blasphemous Act
54% of 695 decks +37% synergy
Cyclonic Rift
54% of 685 decks +39% synergy
Kodama's Reach
53% of 695 decks +38% synergy
Chaos Warp
53% of 695 decks +37% synergy
Explore
52% of 695 decks +48% synergy
Creatures (50)
Aurelia, the Warleader
50% of 6 decks +48% synergy
Faeburrow Elder
50% of 6 decks +47% synergy
Birds of Paradise
50% of 695 decks +38% synergy
Azusa, Lost but Seeking
45% of 695 decks +42% synergy
Wulfgar of Icewind Dale
38% of 660 decks +37% synergy
Delighted Halfling
37% of 354 decks +30% synergy
Etali, Primal Storm
37% of 695 decks +32% synergy
Faldorn, Dread Wolf Herald
36% of 584 decks +35% synergy
Seedborn Muse
35% of 695 decks +31% synergy
Mina and Denn, Wildborn
30% of 695 decks +28% synergy
Llanowar Elves
28% of 695 decks +18% synergy
The Thirteenth Doctor
27% of 232 decks +26% synergy
Roaming Throne
26% of 134 decks +10% synergy
Elvish Mystic
25% of 695 decks +16% synergy
Dryad of the Ilysian Grove
23% of 695 decks +20% synergy
Dockside Extortionist
23% of 695 decks +15% synergy
Tatyova, Benthic Druid
23% of 685 decks +20% synergy
Oracle of Mul Daya
21% of 695 decks +19% synergy
Karlach, Fury of Avernus
20% of 573 decks +18% synergy
Wild-Magic Sorcerer
20% of 660 decks +18% synergy
Etali, Primal Conqueror
19% of 389 decks +15% synergy
Herald of Secret Streams
18% of 685 decks +16% synergy
Fyndhorn Elves
17% of 695 decks +10% synergy
Kediss, Emberclaw Familiar
15% of 684 decks +14% synergy
Combat Celebrant
15% of 695 decks +14% synergy
Sakura-Tribe Elder
14% of 695 decks +4% synergy
Rashmi, Eternities Crafter
13% of 685 decks +13% synergy
Spark Double
13% of 685 decks +9% synergy
Lara Croft, Tomb Raider
12% of 105 decks +12% synergy
Wayward Swordtooth
12% of 695 decks +11% synergy
Bloom Tender
12% of 695 decks +8% synergy
Eternal Witness
12% of 695 decks +2% synergy
Lotus Cobra
12% of 695 decks +8% synergy
Nalfeshnee
11% of 557 decks +10% synergy
Mizzix, Replica Rider
11% of 450 decks +11% synergy
Plargg and Nassari
10% of 363 decks +9% synergy
Goblin Anarchomancer
10% of 662 decks +7% synergy
Tinder Wall
10% of 695 decks +9% synergy
Arbor Elf
10% of 695 decks +6% synergy
Scourge of the Throne
9% of 695 decks +8% synergy
Hellkite Charger
9% of 695 decks +8% synergy
Ragavan, Nimble Pilferer
8% of 663 decks +5% synergy
Guardian Augmenter
8% of 673 decks +7% synergy
Keeper of Secrets
8% of 481 decks +7% synergy
Savage Ventmaw
7% of 695 decks +6% synergy
Tireless Provisioner
7% of 662 decks +2% synergy
Port Razer
7% of 684 decks +6% synergy
Flaming Tyrannosaurus
7% of 240 decks +6% synergy
Aesi, Tyrant of Gyre Strait
7% of 675 decks +5% synergy
Joraga Treespeaker
6% of 695 decks +5% synergy
Instants (50)
Teferi's Protection
50% of 6 decks +41% synergy
Growth Spiral
47% of 685 decks +42% synergy
Deflecting Swat
46% of 693 decks +38% synergy
Heroic Intervention
45% of 695 decks +31% synergy
Legolas's Quick Reflexes
41% of 176 decks +39% synergy
Fierce Guardianship
40% of 684 decks +32% synergy
Expel from Orazca
40% of 685 decks +40% synergy
Tyvar's Stand
39% of 425 decks +36% synergy
Mystical Tutor
38% of 685 decks +30% synergy
Negate
38% of 685 decks +26% synergy
Swan Song
37% of 685 decks +29% synergy
An Offer You Can't Refuse
36% of 606 decks +26% synergy
Tamiyo's Safekeeping
35% of 627 decks +32% synergy
Gaea's Gift
31% of 470 decks +30% synergy
Nature's Claim
30% of 695 decks +24% synergy
Mana Drain
30% of 685 decks +22% synergy
Slip Out the Back
28% of 606 decks +27% synergy
Arcane Denial
27% of 685 decks +18% synergy
Reality Shift
26% of 685 decks +21% synergy
Veil of Summer
22% of 695 decks +19% synergy
Temur Battle Rage
21% of 695 decks +20% synergy
Savage Beating
21% of 695 decks +20% synergy
Reclaim
21% of 695 decks +20% synergy
Pongify
20% of 685 decks +14% synergy
Stubborn Denial
19% of 685 decks +18% synergy
Hinder
18% of 685 decks +18% synergy
Harrow
18% of 695 decks +13% synergy
Hunter's Insight
17% of 695 decks +15% synergy
Force of Will
17% of 685 decks +12% synergy
Krosan Grip
17% of 695 decks +13% synergy
Return of the Wildspeaker
17% of 695 decks +10% synergy
Delayed Blast Fireball
17% of 557 decks +15% synergy
Entish Restoration
16% of 323 decks +12% synergy
Force of Negation
16% of 685 decks +11% synergy
Rapid Hybridization
15% of 685 decks +11% synergy
Submerge
15% of 685 decks +14% synergy
Pact of Negation
14% of 685 decks +10% synergy
Decisive Denial
12% of 664 decks +12% synergy
Narset's Reversal
12% of 685 decks +10% synergy
Dispel
12% of 685 decks +9% synergy
Crop Rotation
12% of 695 decks +7% synergy
Resculpt
12% of 664 decks +9% synergy
Archdruid's Charm
11% of 93 decks +6% synergy
Flusterstorm
10% of 685 decks +7% synergy
Valakut Awakening
10% of 686 decks +7% synergy
Repulsive Mutation
10% of 93 decks +9% synergy
Force of Vigor
10% of 695 decks +8% synergy
Fury Storm
9% of 695 decks +9% synergy
You Come to a River
9% of 652 decks +9% synergy
Delay
9% of 685 decks +7% synergy
Sorceries (40)
Three Visits
57% of 695 decks +45% synergy
Rampant Growth
49% of 695 decks +33% synergy
Jeska's Will
46% of 684 decks +37% synergy
Temporal Spring
40% of 685 decks +39% synergy
Ponder
37% of 685 decks +30% synergy
Time Warp
27% of 685 decks +26% synergy
World at War
27% of 695 decks +27% synergy
Summer Bloom
27% of 695 decks +27% synergy
Chandra's Ignition
24% of 695 decks +22% synergy
Preordain
22% of 685 decks +16% synergy
Temporal Manipulation
21% of 685 decks +21% synergy
Bala Ged Recovery
20% of 686 decks +15% synergy
Vandalblast
20% of 695 decks +11% synergy
Windfall
18% of 685 decks +11% synergy
Rishkar's Expertise
18% of 695 decks +12% synergy
Gamble
17% of 695 decks +13% synergy
Skyshroud Claim
16% of 695 decks +12% synergy
Regrowth
15% of 695 decks +13% synergy
Seasons Past
14% of 695 decks +14% synergy
Irenicus's Vile Duplication
13% of 577 decks +11% synergy
Urban Evolution
12% of 685 decks +11% synergy
Capture of Jingzhou
12% of 685 decks +11% synergy
Last Night Together
12% of 232 decks +11% synergy
Chain Reaction
10% of 695 decks +7% synergy
Decimate
10% of 695 decks +8% synergy
Personal Tutor
10% of 685 decks +9% synergy
Portent
10% of 685 decks +9% synergy
Temporal Mastery
10% of 685 decks +9% synergy
Broken Bond
9% of 695 decks +8% synergy
Karn's Temporal Sundering
9% of 685 decks +9% synergy
Solve the Equation
9% of 664 decks +7% synergy
Hull Breach
8% of 695 decks +7% synergy
Fury of the Horde
7% of 695 decks +7% synergy
Consuming Tide
7% of 635 decks +7% synergy
Escape to the Wilds
7% of 695 decks +6% synergy
Quantum Misalignment
6% of 240 decks +4% synergy
Expropriate
6% of 685 decks +5% synergy
Sea Gate Restoration
6% of 677 decks +3% synergy
Faithless Looting
6% of 695 decks -3% synergy
Slip Through Space
5% of 685 decks +4% synergy
Utility Artifacts (21)
Swiftfoot Boots
49% of 695 decks +20% synergy
Lightning Greaves
45% of 695 decks +20% synergy
Whispersilk Cloak
40% of 695 decks +36% synergy
Sword of Feast and Famine
39% of 695 decks +37% synergy
Mithril Coat
32% of 309 decks +26% synergy
Sword of Wealth and Power
29% of 17 decks +23% synergy
Sensei's Divining Top
28% of 695 decks +22% synergy
Strionic Resonator
22% of 695 decks +19% synergy
The Reaver Cleaver
22% of 501 decks +20% synergy
Shadowspear
20% of 695 decks +17% synergy
Vedalken Orrery
13% of 695 decks +12% synergy
Lantern of Insight
13% of 695 decks +13% synergy
Trailblazer's Boots
12% of 695 decks +10% synergy
The One Ring
12% of 393 decks +3% synergy
Sword of Forge and Frontier
10% of 439 decks +8% synergy
Helm of the Host
8% of 695 decks +5% synergy
Scroll Rack
8% of 695 decks +6% synergy
Power Fist
8% of 51 decks +5% synergy
The Ozolith
6% of 694 decks +2% synergy
Wand of Wonder
6% of 557 decks +4% synergy
Codex Shredder
5% of 695 decks +4% synergy
Enchantments (32)
Smothering Tithe
50% of 6 decks +38% synergy
Passionate Archaeologist
48% of 557 decks +46% synergy
Rhystic Study
47% of 685 decks +33% synergy
Wilderness Reclamation
42% of 695 decks +40% synergy
Mystic Remora
40% of 685 decks +31% synergy
Sylvan Library
38% of 695 decks +31% synergy
Wild Growth
33% of 695 decks +28% synergy
The Lost and the Damned
28% of 477 decks +28% synergy
Utopia Sprawl
25% of 695 decks +22% synergy
Rancor
21% of 695 decks +18% synergy
Case of the Locked Hothouse
20% of 87 decks +17% synergy
Leyline of Anticipation
19% of 685 decks +17% synergy
Grim Reaper's Sprint
16% of 51 decks +13% synergy
Fae Flight
15% of 80 decks +15% synergy
Canopy Cover
14% of 695 decks +14% synergy
Carpet of Flowers
14% of 695 decks +12% synergy
Stolen Strategy
13% of 695 decks +13% synergy
Sword Coast Sailor
12% of 566 decks +12% synergy
Hadana's Climb
11% of 685 decks +11% synergy
Song of Creation
11% of 685 decks +11% synergy
Kenrith's Transformation
10% of 695 decks +7% synergy
Mind's Dilation
10% of 685 decks +9% synergy
Rhythm of the Wild
10% of 695 decks +5% synergy
Burgeoning
10% of 695 decks +8% synergy
Underworld Breach
9% of 695 decks +6% synergy
Guild Artisan
9% of 584 decks +8% synergy
Nature's Will
7% of 695 decks +7% synergy
Shark Typhoon
7% of 681 decks +6% synergy
Fertile Ground
6% of 695 decks +4% synergy
Security Bypass
5% of 607 decks +5% synergy
Hardened Scales
5% of 695 decks +1% synergy
Propaganda
5% of 685 decks -0% synergy
Planeswalkers (2)
Oko, Thief of Crowns
12% of 685 decks +10% synergy
Narset, Parter of Veils
7% of 685 decks +4% synergy
Utility Lands (20)
Rogue's Passage
60% of 695 decks +41% synergy
Kessig Wolf Run
47% of 695 decks +44% synergy
Boseiju, Who Endures
31% of 638 decks +21% synergy
Mystic Sanctuary
24% of 685 decks +18% synergy
Ancient Tomb
24% of 695 decks +13% synergy
Reliquary Tower
23% of 695 decks -5% synergy
Otawara, Soaring City
22% of 624 decks +14% synergy
Yavimaya, Cradle of Growth
20% of 663 decks +11% synergy
Halimar Depths
18% of 685 decks +17% synergy
Alchemist's Refuge
17% of 685 decks +15% synergy
Command Beacon
14% of 695 decks +9% synergy
Field of the Dead
12% of 695 decks +8% synergy
Skarrg, the Rage Pits
12% of 695 decks +11% synergy
Temple of the False God
10% of 695 decks -0% synergy
Rivendell
9% of 278 decks +6% synergy
Scavenger Grounds
9% of 695 decks +5% synergy
Urza's Saga
8% of 662 decks +1% synergy
Maze of Ith
7% of 695 decks +5% synergy
Castle Vantress
6% of 685 decks +4% synergy
Mosswort Bridge
6% of 695 decks +1% synergy
Mana Artifacts (18)
Sol Ring
93% of 695 decks +9% synergy
Arcane Signet
83% of 695 decks +12% synergy
Fellwar Stone
35% of 695 decks +14% synergy
Talisman of Curiosity
27% of 685 decks +25% synergy
Talisman of Creativity
26% of 685 decks +19% synergy
Jeweled Lotus
21% of 684 decks +14% synergy
Mana Crypt
19% of 695 decks +8% synergy
Talisman of Impulse
19% of 695 decks +17% synergy
Izzet Signet
18% of 685 decks +11% synergy
Simic Signet
16% of 685 decks +13% synergy
Gruul Signet
16% of 695 decks +13% synergy
Mana Vault
14% of 695 decks +8% synergy
Lotus Petal
11% of 695 decks +4% synergy
Chrome Mox
10% of 695 decks +3% synergy
Chromatic Lantern
8% of 695 decks -2% synergy
Thought Vessel
7% of 695 decks -8% synergy
Commander's Sphere
7% of 695 decks -10% synergy
Mox Diamond
6% of 695 decks +1% synergy
Lands (50)
Blood Crypt
100% of 3 decks +91% synergy
Command Tower
95% of 695 decks +22% synergy
Stomping Ground
67% of 695 decks +58% synergy
Temple Garden
67% of 6 decks +58% synergy
Steam Vents
66% of 685 decks +57% synergy
Breeding Pool
65% of 685 decks +56% synergy
Exotic Orchard
63% of 695 decks +28% synergy
Ketria Triome
58% of 685 decks +55% synergy
Rejuvenating Springs
58% of 675 decks +52% synergy
Training Center
54% of 675 decks +48% synergy
Bountiful Promenade
50% of 6 decks +45% synergy
Scalding Tarn
47% of 695 decks +36% synergy
Misty Rainforest
47% of 695 decks +35% synergy
Spire Garden
46% of 695 decks +41% synergy
Wooded Foothills
44% of 695 decks +35% synergy
Yavimaya Coast
43% of 685 decks +38% synergy
Frontier Bivouac
42% of 685 decks +39% synergy
Hinterland Harbor
39% of 685 decks +34% synergy
Sulfur Falls
39% of 685 decks +33% synergy
Cinder Glade
39% of 695 decks +30% synergy
Shivan Reef
36% of 685 decks +30% synergy
Rootbound Crag
35% of 695 decks +30% synergy
Commercial District
32% of 77 decks +28% synergy
Thundering Falls
29% of 77 decks +25% synergy
Dreamroot Cascade
26% of 639 decks +22% synergy
Karplusan Forest
25% of 695 decks +22% synergy
Rockfall Vale
24% of 650 decks +19% synergy
Tropical Island
20% of 685 decks +17% synergy
Volcanic Island
20% of 685 decks +17% synergy
Taiga
20% of 695 decks +17% synergy
Evolving Wilds
19% of 695 decks -3% synergy
City of Brass
19% of 695 decks +10% synergy
Simic Growth Chamber
19% of 685 decks +14% synergy
Stormcarved Coast
18% of 639 decks +15% synergy
Gruul Turf
18% of 695 decks +14% synergy
Izzet Boilerworks
17% of 685 decks +13% synergy
Temple of Mystery
16% of 685 decks +12% synergy
Mana Confluence
16% of 695 decks +8% synergy
Fabled Passage
16% of 695 decks +6% synergy
Temple of Epiphany
14% of 685 decks +10% synergy
Windswept Heath
14% of 695 decks +4% synergy
Temple of Abandon
14% of 695 decks +11% synergy
Terramorphic Expanse
14% of 695 decks -2% synergy
Verdant Catacombs
13% of 695 decks +1% synergy
Waterlogged Grove
13% of 685 decks +11% synergy
Arid Mesa
13% of 695 decks +2% synergy
Flooded Strand
12% of 695 decks +2% synergy
Polluted Delta
12% of 695 decks +1% synergy
Myriad Landscape
11% of 695 decks -10% synergy
Fiery Islet
11% of 685 decks +10% synergy