Optimus Prime, Hero
Valkyrie's Call
Grinding Station

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
It is your turn.

   Steps

How does this combo work?
1
Activate Grinding Station by tapping it and sacrificing Optimus Prime, Hero.
2
When Optimus Prime, Hero dies, its second ability triggers, returning it from your graveyard to the battlefield as Optimus Prime, Autobot Leader.
3
When Optimus Prime, Autobot Leader enters the battlefield, Grinding Station triggers, untapping Grinding Station.
4
Activate Grinding Station by tapping it and sacrificing Optimus Prime, Autobot Leader.
5
When Optimus Prime, Autobot Leader dies, Valkyrie's Call triggers, returning Optimus Prime from your graveyard to the battlefield as Optimus Prime, Hero as an Angel with flying.
6
When Optimus Prime, Hero enters the battlefield, Grinding Station triggers, untapping Grinding Station.
7
Resolve both Grinding Station abilities from steps 1 and 4.
8
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Optimus Prime, Hero
0.1%inclusion3 decks4.29K decks
Creatures
Arcbound Ravager
100%inclusion3 decks3 decks
99%synergy
Jetfire, Ingenious Scientist
100%inclusion3 decks3 decks
99%synergy
Luminous Broodmoth
100%inclusion3 decks3 decks
97%synergy
Steel Overseer
100%inclusion3 decks3 decks
90%synergy
Iron Spider, Stark Upgrade
100%inclusion2 decks2 decks
98%synergy
Arcbound Crusher
67%inclusion2 decks3 decks
66%synergy
Arcbound Stinger
67%inclusion2 decks3 decks
66%synergy
Blightsteel Colossus
67%inclusion2 decks3 decks
66%synergy
Cayth, Famed Mechanist
67%inclusion2 decks3 decks
58%synergy
Padeem, Consul of Innovation
67%inclusion2 decks3 decks
62%synergy
Prowl, Stoic Strategist
67%inclusion2 decks3 decks
65%synergy
Ratchet, Field Medic
67%inclusion2 decks3 decks
66%synergy
Walking Ballista
67%inclusion2 decks3 decks
63%synergy
Enthusiastic Mechanaut
67%inclusion2 decks3 decks
54%synergy
Etherium Sculptor
67%inclusion2 decks3 decks
54%synergy
Foundry Inspector
67%inclusion2 decks3 decks
59%synergy
Lae'zel, Vlaakith's Champion
67%inclusion2 decks3 decks
61%synergy
Voyager Quickwelder
67%inclusion2 decks3 decks
65%synergy
Gatta and Luzzu
50%inclusion1 decks2 decks
49%synergy
SP//dr, Piloted by Peni
50%inclusion1 decks2 decks
49%synergy
Surge Conductor
50%inclusion1 decks2 decks
37%synergy
Abzan Falconer
33%inclusion1 decks3 decks
32%synergy
Arcbound Javelineer
33%inclusion1 decks3 decks
33%synergy
Arcbound Mouser
33%inclusion1 decks3 decks
33%synergy
Arcbound Overseer
33%inclusion1 decks3 decks
33%synergy
Arcbound Prototype
33%inclusion1 decks3 decks
33%synergy
Arcbound Reclaimer
33%inclusion1 decks3 decks
33%synergy
Arcbound Shikari
33%inclusion1 decks3 decks
32%synergy
Arcbound Slith
33%inclusion1 decks3 decks
33%synergy
Esper Sentinel
33%inclusion1 decks3 decks
14%synergy
Jhoira, Weatherlight Captain
33%inclusion1 decks3 decks
21%synergy
Losheel, Clockwork Scholar
33%inclusion1 decks3 decks
31%synergy
Scrapyard Recombiner
33%inclusion1 decks3 decks
33%synergy
Solemn Simulacrum
33%inclusion1 decks3 decks
17%synergy
Thrummingbird
33%inclusion1 decks3 decks
24%synergy
Zabaz, the Glimmerwasp
33%inclusion1 decks3 decks
33%synergy
Abzan Battle Priest
33%inclusion1 decks3 decks
33%synergy
Akki Battle Squad
33%inclusion1 decks3 decks
33%synergy
Alibou, Ancient Witness
33%inclusion1 decks3 decks
27%synergy
Antler Skulkin
33%inclusion1 decks3 decks
33%synergy
Arcee, Sharpshooter
33%inclusion1 decks3 decks
32%synergy
Atog
33%inclusion1 decks3 decks
33%synergy
Bronze Guardian
33%inclusion1 decks3 decks
31%synergy
Codsworth, Handy Helper
33%inclusion1 decks3 decks
30%synergy
Emry, Lurker of the Loch
33%inclusion1 decks3 decks
25%synergy
Envoy of the Ancestors
33%inclusion1 decks3 decks
33%synergy
Extruder
33%inclusion1 decks3 decks
33%synergy
Herald of Secret Streams
33%inclusion1 decks3 decks
31%synergy
Krark-Clan Grunt
33%inclusion1 decks3 decks
33%synergy
Megatog
33%inclusion1 decks3 decks
33%synergy
Instants
Counterspell
67%inclusion2 decks3 decks
31%synergy
Dispatch
67%inclusion2 decks3 decks
53%synergy
Scour for Scrap
50%inclusion1 decks2 decks
47%synergy
Cancel
33%inclusion1 decks3 decks
32%synergy
Enlightened Tutor
33%inclusion1 decks3 decks
18%synergy
Experimental Augury
33%inclusion1 decks3 decks
25%synergy
Legion Leadership
33%inclusion1 decks3 decks
27%synergy
Teferi's Protection
33%inclusion1 decks3 decks
19%synergy
Wear // Tear
33%inclusion1 decks3 decks
27%synergy
Deflecting Swat
33%inclusion1 decks3 decks
20%synergy
Dovin's Veto
33%inclusion1 decks3 decks
15%synergy
Dramatic Reversal
33%inclusion1 decks3 decks
29%synergy
Fierce Guardianship
33%inclusion1 decks3 decks
18%synergy
Flawless Maneuver
33%inclusion1 decks3 decks
21%synergy
Generous Gift
33%inclusion1 decks3 decks
12%synergy
Mana Drain
33%inclusion1 decks3 decks
23%synergy
Swords to Plowshares
33%inclusion1 decks3 decks
-35%synergy
Unbreakable Formation
33%inclusion1 decks3 decks
26%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
13%synergy
Chaos Warp
33%inclusion1 decks3 decks
11%synergy
Gifts Ungiven
33%inclusion1 decks3 decks
32%synergy
Pongify
33%inclusion1 decks3 decks
26%synergy
Sorceries
Fabricate
100%inclusion3 decks3 decks
92%synergy
Damning Verdict
67%inclusion2 decks3 decks
64%synergy
Tezzeret's Gambit
67%inclusion2 decks3 decks
56%synergy
Wake the Past
67%inclusion2 decks3 decks
56%synergy
Supreme Verdict
67%inclusion2 decks3 decks
54%synergy
Angelfire Ignition
33%inclusion1 decks3 decks
32%synergy
Dance of the Manse
33%inclusion1 decks3 decks
32%synergy
Fireball
33%inclusion1 decks3 decks
33%synergy
Single Combat
33%inclusion1 decks3 decks
31%synergy
Blasphemous Act
33%inclusion1 decks3 decks
11%synergy
Chain Reaction
33%inclusion1 decks3 decks
30%synergy
Chandra's Ignition
33%inclusion1 decks3 decks
31%synergy
Chart a Course
33%inclusion1 decks3 decks
30%synergy
Cleansing Nova
33%inclusion1 decks3 decks
32%synergy
Contentious Plan
33%inclusion1 decks3 decks
30%synergy
Doomskar
33%inclusion1 decks3 decks
33%synergy
Dusk // Dawn
33%inclusion1 decks3 decks
30%synergy
Earthquake
33%inclusion1 decks3 decks
32%synergy
Jokulhaups
33%inclusion1 decks3 decks
33%synergy
Reckless Handling
33%inclusion1 decks3 decks
33%synergy
Retribution of the Meek
33%inclusion1 decks3 decks
33%synergy
Rolling Earthquake
33%inclusion1 decks3 decks
33%synergy
Rupture
33%inclusion1 decks3 decks
33%synergy
Subterranean Tremors
33%inclusion1 decks3 decks
33%synergy
Tragic Arrogance
33%inclusion1 decks3 decks
33%synergy
Waltz of Rage
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
Ashnod's Altar
100%inclusion3 decks3 decks
98%synergy
Altar of Dementia
67%inclusion2 decks3 decks
67%synergy
Unwinding Clock
67%inclusion2 decks3 decks
61%synergy
Jar of Eyeballs
33%inclusion1 decks3 decks
33%synergy
Norn's Wellspring
33%inclusion1 decks3 decks
33%synergy
Salvation Engine
33%inclusion1 decks3 decks
32%synergy
Sword of Truth and Justice
33%inclusion1 decks3 decks
31%synergy
The Ozolith
33%inclusion1 decks3 decks
31%synergy
Blasting Station
33%inclusion1 decks3 decks
33%synergy
Darksteel Forge
33%inclusion1 decks3 decks
32%synergy
Genesis Chamber
33%inclusion1 decks3 decks
33%synergy
Krark-Clan Ironworks
33%inclusion1 decks3 decks
33%synergy
Phyrexian Altar
33%inclusion1 decks3 decks
33%synergy
Animation Module
33%inclusion1 decks3 decks
33%synergy
Blade of Selves
33%inclusion1 decks3 decks
32%synergy
Cloud Key
33%inclusion1 decks3 decks
27%synergy
Ebony Owl Netsuke
33%inclusion1 decks3 decks
33%synergy
Strionic Resonator
33%inclusion1 decks3 decks
31%synergy
Enchantments
Thopter Spy Network
67%inclusion2 decks3 decks
63%synergy
Together Forever
67%inclusion2 decks3 decks
66%synergy
Battle of Hoover Dam
33%inclusion1 decks3 decks
33%synergy
Inexorable Tide
33%inclusion1 decks3 decks
28%synergy
Proper Burial
33%inclusion1 decks3 decks
33%synergy
Artificer Class
33%inclusion1 decks3 decks
32%synergy
Blessed Sanctuary
33%inclusion1 decks3 decks
33%synergy
Cathars' Crusade
33%inclusion1 decks3 decks
30%synergy
Goblin Bombardment
33%inclusion1 decks3 decks
32%synergy
Darksteel Mutation
33%inclusion1 decks3 decks
31%synergy
Uncivil Unrest
33%inclusion1 decks3 decks
32%synergy
Underworld Breach
33%inclusion1 decks3 decks
28%synergy
Planeswalkers
Chandra, Spark Hunter
33%inclusion1 decks3 decks
33%synergy
Utility Lands
Reliquary Tower
100%inclusion3 decks3 decks
66%synergy
Buried Ruin
67%inclusion2 decks3 decks
55%synergy
Inventors' Fair
67%inclusion2 decks3 decks
59%synergy
Karn's Bastion
67%inclusion2 decks3 decks
54%synergy
Rogue's Passage
67%inclusion2 decks3 decks
47%synergy
Abandoned Air Temple
50%inclusion1 decks2 decks
45%synergy
Monumental Henge
33%inclusion1 decks3 decks
31%synergy
Muraganda Raceway
33%inclusion1 decks3 decks
32%synergy
Temple of the False God
33%inclusion1 decks3 decks
28%synergy
Academy Ruins
33%inclusion1 decks3 decks
26%synergy
Archway of Innovation
33%inclusion1 decks3 decks
28%synergy
Mech Hangar
33%inclusion1 decks3 decks
33%synergy
Otawara, Soaring City
33%inclusion1 decks3 decks
20%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
12%synergy
Sol Ring
100%inclusion3 decks3 decks
11%synergy
Mox Opal
67%inclusion2 decks3 decks
61%synergy
Commander's Sphere
33%inclusion1 decks3 decks
21%synergy
Fellwar Stone
33%inclusion1 decks3 decks
2%synergy
Thought Vessel
33%inclusion1 decks3 decks
10%synergy
Chromatic Lantern
33%inclusion1 decks3 decks
24%synergy
Sonic Screwdriver
33%inclusion1 decks3 decks
30%synergy
Talisman of Conviction
33%inclusion1 decks3 decks
-11%synergy
Talisman of Creativity
33%inclusion1 decks3 decks
-9%synergy
Talisman of Progress
33%inclusion1 decks3 decks
-12%synergy
Lands
Command Tower
100%inclusion3 decks3 decks
7%synergy
Evolving Wilds
67%inclusion2 decks3 decks
39%synergy
Exotic Orchard
67%inclusion2 decks3 decks
5%synergy
Mystic Monastery
67%inclusion2 decks3 decks
8%synergy
Raugrin Triome
67%inclusion2 decks3 decks
30%synergy
Sea of Clouds
67%inclusion2 decks3 decks
36%synergy
Spectator Seating
67%inclusion2 decks3 decks
37%synergy
Terramorphic Expanse
67%inclusion2 decks3 decks
49%synergy
Training Center
67%inclusion2 decks3 decks
36%synergy
Cascade Bluffs
67%inclusion2 decks3 decks
43%synergy
Deserted Beach
67%inclusion2 decks3 decks
44%synergy
Rugged Prairie
67%inclusion2 decks3 decks
44%synergy
Stormcarved Coast
67%inclusion2 decks3 decks
44%synergy
Arid Mesa
33%inclusion1 decks3 decks
6%synergy
Fabled Passage
33%inclusion1 decks3 decks
26%synergy
Flooded Strand
33%inclusion1 decks3 decks
4%synergy
Hallowed Fountain
33%inclusion1 decks3 decks
-8%synergy
Hengegate Pathway
33%inclusion1 decks3 decks
28%synergy
Needleverge Pathway
33%inclusion1 decks3 decks
28%synergy
Riverglide Pathway
33%inclusion1 decks3 decks
27%synergy
Sacred Foundry
33%inclusion1 decks3 decks
-7%synergy
Scalding Tarn
33%inclusion1 decks3 decks
6%synergy
Steam Vents
33%inclusion1 decks3 decks
-7%synergy
Clifftop Retreat
33%inclusion1 decks3 decks
-18%synergy
Glacial Fortress
33%inclusion1 decks3 decks
-21%synergy
Plateau
33%inclusion1 decks3 decks
22%synergy
Sulfur Falls
33%inclusion1 decks3 decks
-19%synergy
Tundra
33%inclusion1 decks3 decks
22%synergy
Volcanic Island
33%inclusion1 decks3 decks
22%synergy
Adarkar Wastes
33%inclusion1 decks3 decks
-3%synergy
Azorius Chancery
33%inclusion1 decks3 decks
21%synergy
Battlefield Forge
33%inclusion1 decks3 decks
-9%synergy
Boros Garrison
33%inclusion1 decks3 decks
24%synergy
Ferrous Lake
33%inclusion1 decks3 decks
21%synergy
Izzet Boilerworks
33%inclusion1 decks3 decks
21%synergy
Mystic Gate
33%inclusion1 decks3 decks
21%synergy
Path of Ancestry
33%inclusion1 decks3 decks
5%synergy
Razortide Bridge
33%inclusion1 decks3 decks
20%synergy
Rustvale Bridge
33%inclusion1 decks3 decks
21%synergy
Shivan Reef
33%inclusion1 decks3 decks
-8%synergy
Silverbluff Bridge
33%inclusion1 decks3 decks
21%synergy
Skycloud Expanse
33%inclusion1 decks3 decks
11%synergy
Sundown Pass
33%inclusion1 decks3 decks
14%synergy
Sunscorched Divide
33%inclusion1 decks3 decks
27%synergy