Cass, Hand of Vengeance + Griffin Guide + Ashnod's Altar

Cass, Hand of Vengeance
Griffin Guide
Ashnod's Altar

Requires
Cass, Hand of Vengeance must be on the battlefield. Griffin Guide must be on the battlefield (attached to any other creature you control). Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing the creature with Griffin Guide attached, adding .
  2. When the creature dies, Cass and Griffin Guide trigger.
  3. Resolve the Griffin Guide trigger, creating a 2/2 Griffin creature token.
  4. Resolve the Cass trigger, returning Griffin Guide from your graveyard to the battlefield attached to the Griffin token.
  5. Repeat.
Results
Infinite LTB. Infinite ETB. Infinite sacrifice triggers. Infinite death triggers. Infinite colorless mana.

Cass, Hand of Vengeance
16.15% of 161 decks 26 decks
Ardenn, Intrepid Archaeologist // Rograkh, Son of Rohgahh
0.02% of 6123 decks 1 decks
High Synergy Cards
Valor of the Worthy
96% of 27 decks +96% synergy
Cartouche of Solidarity
96% of 27 decks +95% synergy
Murder Investigation
93% of 27 decks +92% synergy
Nurturing Presence
93% of 27 decks +92% synergy
Squire's Devotion
89% of 27 decks +88% synergy
Goblin Bombardment
93% of 27 decks +86% synergy
Etali's Favor
80% of 25 decks +77% synergy
Rune of Speed
78% of 27 decks +77% synergy
Kor Spiritdancer
78% of 27 decks +76% synergy
Kellan, the Fae-Blooded
85% of 27 decks +74% synergy
Top Cards
Sram, Senior Edificer
89% of 27 decks +68% synergy
Skullclamp
78% of 27 decks +63% synergy
Heliod's Pilgrim
74% of 27 decks +73% synergy
Ajani's Chosen
74% of 27 decks +73% synergy
Mantle of the Ancients
74% of 27 decks +68% synergy
Sage's Reverie
70% of 27 decks +69% synergy
Rune of Sustenance
67% of 27 decks +65% synergy
Gift of Immortality
67% of 27 decks +64% synergy
Sticky Fingers
67% of 27 decks +63% synergy
Open the Armory
67% of 27 decks +50% synergy
Creatures
Codsworth, Handy Helper
65% of 23 decks +54% synergy
Archon of Sun's Grace
63% of 27 decks +62% synergy
Brotherhood Outcast
61% of 18 decks +60% synergy
Mesa Enchantress
56% of 27 decks +54% synergy
Light-Paws, Emperor's Voice
52% of 27 decks +51% synergy
Starfield Mystic
52% of 27 decks +51% synergy
Transcendent Envoy
52% of 27 decks +51% synergy
Mister Gutsy
50% of 20 decks +49% synergy
Armory Paladin
50% of 18 decks +46% synergy
Danitha Capashen, Paragon
48% of 27 decks +35% synergy
Forgeborn Oreads
44% of 27 decks +44% synergy
Koll, the Forgemaster
44% of 27 decks +37% synergy
Moon-Blessed Cleric
41% of 27 decks +40% synergy
Hero of Iroas
33% of 27 decks +33% synergy
Wyleth, Soul of Steel
30% of 27 decks +22% synergy
Bogardan Dragonheart
22% of 27 decks +22% synergy
Knight of Doves
22% of 27 decks +22% synergy
Thermopod
19% of 27 decks +18% synergy
Skirk Prospector
19% of 27 decks +17% synergy
Impulsive Pilferer
19% of 27 decks +17% synergy
Rograkh, Son of Rohgahh
19% of 27 decks +13% synergy
Ornithopter
19% of 27 decks +12% synergy
Grand Abolisher
19% of 27 decks +8% synergy
Stoneforge Mystic
19% of 27 decks +6% synergy
Esper Sentinel
19% of 27 decks -9% synergy
Danitha, Benalia's Hope
15% of 27 decks +11% synergy
Selfless Spirit
15% of 27 decks +7% synergy
Ironclad Slayer
11% of 27 decks +9% synergy
Purphoros, God of the Forge
11% of 27 decks +5% synergy
Loran of the Third Path
11% of 27 decks -1% synergy
Sun Titan
11% of 27 decks -6% synergy
Puresteel Paladin
11% of 27 decks -7% synergy
Instants
Swords to Plowshares
67% of 27 decks -2% synergy
Path to Exile
63% of 27 decks +7% synergy
Chaos Warp
52% of 27 decks +18% synergy
Wear // Tear
37% of 27 decks +12% synergy
Boros Charm
37% of 27 decks -18% synergy
Inventory Management
35% of 23 decks +25% synergy
Enlightened Tutor
33% of 27 decks +15% synergy
Generous Gift
33% of 27 decks -7% synergy
Reprieve
19% of 27 decks +10% synergy
Silence
15% of 27 decks +9% synergy
Lightning Bolt
15% of 27 decks +5% synergy
Stroke of Midnight
15% of 27 decks -5% synergy
Second Sunrise
11% of 27 decks +11% synergy
Faith's Reward
11% of 27 decks +10% synergy
Abrade
11% of 27 decks -2% synergy
Deflecting Swat
11% of 27 decks -5% synergy
Sorceries
Idyllic Tutor
48% of 27 decks +45% synergy
Blasphemous Act
44% of 27 decks +11% synergy
Austere Command
22% of 27 decks +6% synergy
Unfinished Business
15% of 26 decks +13% synergy
Winds of Rath
15% of 27 decks +12% synergy
Sevinne's Reclamation
15% of 27 decks +4% synergy
Rip Apart
15% of 27 decks -3% synergy
Three Dreams
11% of 27 decks +11% synergy
Farewell
11% of 27 decks -0% synergy
Steelshaper's Gift
11% of 27 decks -1% synergy
Faithless Looting
11% of 27 decks -8% synergy
Utility Artifacts
Altar of Dementia
59% of 27 decks +58% synergy
Blasting Station
52% of 27 decks +51% synergy
Mask of Immolation
52% of 27 decks +51% synergy
Swiftfoot Boots
52% of 27 decks +7% synergy
Lotus Ring
50% of 8 decks +49% synergy
Mortarpod
41% of 27 decks +40% synergy
Phyrexian Altar
41% of 27 decks +39% synergy
Spawning Pit
33% of 27 decks +33% synergy
Lightning Greaves
30% of 27 decks +2% synergy
Altar of the Brood
22% of 27 decks +22% synergy
Pre-War Formalwear
17% of 18 decks +15% synergy
Shadowspear
15% of 27 decks +3% synergy
Deathrender
11% of 27 decks +11% synergy
Sword of the Animist
11% of 27 decks -10% synergy
Enchantments
Demonic Ruckus
62% of 8 decks +61% synergy
Galvanic Arc
56% of 27 decks +55% synergy
Dragon Mantle
56% of 27 decks +54% synergy
Angelic Gift
56% of 27 decks +53% synergy
Unquestioned Authority
56% of 27 decks +52% synergy
Betrothed of Fire
52% of 27 decks +52% synergy
Frenzied Fugue
48% of 27 decks +48% synergy
Darksteel Mutation
48% of 27 decks +43% synergy
Impact Tremors
44% of 27 decks +31% synergy
Grim Reaper's Sprint
43% of 23 decks +40% synergy
Gift of Wrath
37% of 27 decks +37% synergy
Chosen by Heliod
37% of 27 decks +37% synergy
Squee's Embrace
37% of 27 decks +36% synergy
Emblem of the Warmind
30% of 27 decks +29% synergy
Fanatical Devotion
30% of 27 decks +28% synergy
All That Glitters
30% of 27 decks +20% synergy
Knightly Valor
26% of 27 decks +26% synergy
Ethereal Armor
26% of 27 decks +24% synergy
Historian's Boon
22% of 27 decks +22% synergy
Martyr's Cause
22% of 27 decks +21% synergy
Boon of the Spirit Realm
22% of 27 decks +21% synergy
Sigarda's Aid
22% of 27 decks +7% synergy
Fighter Class
22% of 27 decks +7% synergy
Shielded by Faith
19% of 27 decks +18% synergy
Soul-Strike Technique
15% of 27 decks +15% synergy
Elemental Mastery
15% of 27 decks +14% synergy
Skybind
11% of 27 decks +11% synergy
Benevolent Blessing
11% of 27 decks +10% synergy
Timely Ward
11% of 27 decks +7% synergy
Utility Lands
Hall of Heliod's Generosity
48% of 27 decks +45% synergy
Axgard Armory
41% of 27 decks +28% synergy
Scavenger Grounds
19% of 27 decks +13% synergy
War Room
19% of 27 decks +7% synergy
Reliquary Tower
19% of 27 decks +1% synergy
Roadside Reliquary
15% of 27 decks +13% synergy
High Market
11% of 27 decks +10% synergy
Castle Ardenvale
11% of 27 decks +1% synergy
Urza's Saga
11% of 27 decks +1% synergy
Eiganjo, Seat of the Empire
11% of 27 decks -5% synergy
Rogue's Passage
11% of 27 decks -20% synergy
Mana Artifacts
Sol Ring
93% of 27 decks +6% synergy
Arcane Signet
89% of 27 decks +9% synergy
Talisman of Conviction
81% of 27 decks +28% synergy
Boros Signet
63% of 27 decks +3% synergy
Mind Stone
48% of 27 decks +17% synergy
Fellwar Stone
33% of 27 decks +7% synergy
Thought Vessel
15% of 27 decks +0% synergy
Paradise Mantle
11% of 27 decks +9% synergy
Mana Crypt
11% of 27 decks +4% synergy
Commander's Sphere
11% of 27 decks -10% synergy
Lands
Command Tower
93% of 27 decks +6% synergy
Clifftop Retreat
67% of 27 decks +10% synergy
Battlefield Forge
59% of 27 decks +2% synergy
Furycalm Snarl
56% of 27 decks +14% synergy
Rugged Prairie
52% of 27 decks +17% synergy
Temple of Triumph
52% of 27 decks +10% synergy
Exotic Orchard
48% of 27 decks +20% synergy
Sacred Foundry
44% of 27 decks +1% synergy
Boros Garrison
41% of 27 decks -2% synergy
Spectator Seating
41% of 27 decks -2% synergy
Arid Mesa
30% of 27 decks +0% synergy
Sundown Pass
30% of 27 decks -5% synergy
Plateau
26% of 27 decks +14% synergy
Evolving Wilds
26% of 27 decks +5% synergy
Needleverge Pathway
26% of 27 decks -4% synergy
Elegant Parlor
25% of 24 decks +3% synergy
Sunbaked Canyon
22% of 27 decks +6% synergy
Myriad Landscape
22% of 27 decks -5% synergy
Sunscorched Divide
22% of 23 decks +1% synergy
Alpine Meadow
15% of 27 decks +5% synergy
Sacred Peaks
15% of 27 decks +0% synergy
Terramorphic Expanse
15% of 27 decks -1% synergy
Prismatic Vista
11% of 27 decks +4% synergy
Rustvale Bridge
11% of 27 decks -2% synergy
Inspiring Vantage
11% of 27 decks -3% synergy
Path of Ancestry
11% of 27 decks -5% synergy