Lagrella, the Magpie + Karmic Guide + Ashnod's Altar

Lagrella, the Magpie
Karmic Guide
Ashnod's Altar

Requires
Lagrella, the Magpie must be in hand, or in the command zone. Karmic Guide must be on the battlefield. Ashnod's Altar must be on the battlefield. Mana needed: plus enough mana to pay for commander tax, if applicable
Steps
  1. Cast Lagrella by paying and commander tax, if applicable.
  2. When Lagrella enters the battlefield, it triggers, exiling Karmic Guide until Lagrella leaves the battlefield.
  3. Activate Ashnod's Altar by sacrificing Lagrella, adding .
  4. If Lagrella is your commander, choose not to return it to the command zone from your graveyard.
  5. When Lagrella leaves the battlefield, Karmic Guide is returned to the battlefield from exile.
  6. When Karmic Guide enters the battlefield, it and Lagrella triggers.
  7. Resolve the Lagrella trigger, putting two +1/+1 counters on Karmic Guide.
  8. Resolve the Karmic Guide trigger, returning Lagrella from your graveyard to the battlefield.
  9. Repeat from step 2.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Lagrella, the Magpie
1.45% of 1590 decks 23 decks
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0.01% of 21550 decks 2 decks
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0.01% of 7387 decks 1 decks
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Amareth, the Lustrous
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Tocasia, Dig Site Mentor
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64% of 33 decks +56% synergy
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58% of 33 decks +55% synergy
Peregrine Drake
52% of 33 decks +48% synergy
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Momentary Blink
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39% of 33 decks +35% synergy
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Mulldrifter
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36% of 33 decks +9% synergy
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Charming Prince
33% of 33 decks +31% synergy
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Aether Channeler
33% of 30 decks +31% synergy
Wall of Omens
33% of 33 decks +30% synergy
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33% of 33 decks +22% synergy
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30% of 33 decks +27% synergy
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30% of 33 decks +26% synergy
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28% of 18 decks +14% synergy
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27% of 33 decks +25% synergy
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27% of 33 decks +23% synergy
Reflector Mage
24% of 33 decks +22% synergy
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24% of 33 decks +22% synergy
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24% of 33 decks +20% synergy
Displacer Kitten
24% of 33 decks +19% synergy
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Loran of the Third Path
24% of 29 decks +17% synergy
Werefox Bodyguard
23% of 13 decks +22% synergy
Yannik, Scavenging Sentinel
21% of 33 decks +21% synergy
Brago, King Eternal
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Gilraen, Dúnedain Protector
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18% of 33 decks +17% synergy
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18% of 33 decks +16% synergy
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18% of 33 decks +15% synergy
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18% of 33 decks +3% synergy
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15% of 33 decks +15% synergy
Eldrazi Displacer
15% of 33 decks +14% synergy
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15% of 33 decks +13% synergy
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15% of 33 decks +12% synergy
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15% of 33 decks +12% synergy
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12% of 33 decks +12% synergy
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12% of 33 decks +12% synergy
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12% of 33 decks +12% synergy
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12% of 33 decks +11% synergy
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Ghostly Flicker
39% of 33 decks +34% synergy
Slip On the Ring
35% of 17 decks +34% synergy
Counterspell
33% of 33 decks -10% synergy
Essence Flux
27% of 33 decks +25% synergy
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21% of 33 decks +20% synergy
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21% of 33 decks +20% synergy
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21% of 33 decks +19% synergy
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21% of 33 decks +7% synergy
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21% of 33 decks +1% synergy
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18% of 33 decks +7% synergy
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12% of 33 decks +11% synergy
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Talisman of Curiosity
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Hinterland Harbor
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18% of 33 decks +9% synergy
Scalding Tarn
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Marsh Flats
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Verdant Catacombs
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18% of 33 decks +4% synergy
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Path of Ancestry
18% of 33 decks -3% synergy
Radiant Grove
17% of 30 decks +11% synergy
Razorverge Thicket
15% of 33 decks +10% synergy
Barkchannel Pathway
15% of 33 decks +6% synergy
Wooded Foothills
15% of 33 decks +5% synergy
Arid Mesa
15% of 33 decks +4% synergy
Savannah
15% of 33 decks +2% synergy
Overgrown Farmland
15% of 33 decks -1% synergy
Temple of Enlightenment
15% of 33 decks -1% synergy
Temple of Mystery
15% of 33 decks -2% synergy
Rejuvenating Springs
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Idyllic Beachfront
13% of 30 decks +10% synergy
Treva's Ruins
12% of 33 decks +11% synergy
Thornglint Bridge
12% of 33 decks +10% synergy
Forbidden Orchard
12% of 33 decks +9% synergy
Tanglepool Bridge
12% of 33 decks +9% synergy
Arctic Treeline
12% of 33 decks +8% synergy
Seachrome Coast
12% of 33 decks +7% synergy
Blighted Woodland
12% of 33 decks +6% synergy