Yarus, Roar of the Old Gods
Karlov Watchdog
Ashnod's Altar
Harmless Offering

   Prerequisites

What do I need to start this combo?
Harmless Offering in hand.
All other permanents on the battlefield.
You control a face-down creature whose front face is a permanent card. You have enough mana to cast Harmless Offering.

   Steps

How does this combo work?
1
Cast Harmless Offering by paying its mana cost, giving control of Karlov Watchdog to an opponent.
2
During the opponent's turn, activate Ashnod's Altar by sacrificing a face-down creature you control, adding .
3
When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
4
Repeat from step 2.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite colorless mana
Kaust, Eyes of the Glade
0.2%inclusion5 decks3.07K decks
Rocco, Cabaretti Caterer
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High Synergy Cards
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99%synergy
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100%inclusion6 decks6 decks
94%synergy
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83%inclusion5 decks6 decks
83%synergy
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Top Cards
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67%synergy
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Creatures
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66%synergy
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Enchantments
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Planeswalkers
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Utility Lands
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49%synergy
Branch of Vitu-Ghazi
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32%synergy
Eldrazi Temple
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Tomb of the Spirit Dragon
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Access Tunnel
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Adagia, Windswept Bastion
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Evendo, Waking Haven
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Temple of the False God
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5%synergy
Kessig Wolf Run
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0%synergy
Mosswort Bridge
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-1%synergy
Reliquary Tower
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-2%synergy
Mana Artifacts
Sol Ring
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-1%synergy
Arcane Signet
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-8%synergy
Chromatic Orrery
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16%synergy
Basalt Monolith
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16%synergy
Mox Amber
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15%synergy
Thought Vessel
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11%synergy
Talisman of Impulse
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9%synergy
Talisman of Unity
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8%synergy
Chromatic Lantern
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5%synergy
Lands
Command Tower
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-8%synergy
Temple of Abandon
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54%synergy
Temple of Plenty
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54%synergy
Temple of Triumph
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54%synergy
Sunpetal Grove
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Stomping Ground
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24%synergy
Cinder Glade
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17%synergy
Canopy Vista
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17%synergy
Exotic Orchard
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13%synergy
Jungle Shrine
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11%synergy
Elegant Parlor
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43%synergy
Lush Portico
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41%synergy
Furycalm Snarl
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34%synergy
Game Trail
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30%synergy
Fortified Village
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29%synergy
Arid Mesa
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23%synergy
Wooded Foothills
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21%synergy
Windswept Heath
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19%synergy
Rootbound Crag
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13%synergy
Prismatic Vista
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29%synergy
Commercial District
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25%synergy
Sheltered Thicket
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24%synergy
Scattered Groves
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24%synergy
Boros Garrison
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22%synergy
Krosan Verge
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22%synergy
Spectator Seating
33%inclusion2 decks6 decks
7%synergy
Spire Garden
33%inclusion2 decks6 decks
6%synergy
Bountiful Promenade
33%inclusion2 decks6 decks
4%synergy
Sacred Foundry
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-6%synergy
Clifftop Retreat
33%inclusion2 decks6 decks
-8%synergy
Temple Garden
33%inclusion2 decks6 decks
-8%synergy
Gemstone Caverns
17%inclusion1 decks6 decks
14%synergy
Inspiring Vantage
17%inclusion1 decks6 decks
14%synergy
Copperline Gorge
17%inclusion1 decks6 decks
13%synergy
Scalding Tarn
17%inclusion1 decks6 decks
12%synergy
Bloodstained Mire
17%inclusion1 decks6 decks
12%synergy
Marsh Flats
17%inclusion1 decks6 decks
11%synergy
Flooded Strand
17%inclusion1 decks6 decks
11%synergy
Verdant Catacombs
17%inclusion1 decks6 decks
11%synergy
Misty Rainforest
17%inclusion1 decks6 decks
10%synergy
Rugged Prairie
17%inclusion1 decks6 decks
7%synergy
Cabaretti Courtyard
17%inclusion1 decks6 decks
7%synergy
Plateau
17%inclusion1 decks6 decks
6%synergy
Taiga
17%inclusion1 decks6 decks
6%synergy
Savannah
17%inclusion1 decks6 decks
6%synergy
Fabled Passage
17%inclusion1 decks6 decks
5%synergy
Gruul Turf
17%inclusion1 decks6 decks
5%synergy
Selesnya Sanctuary
17%inclusion1 decks6 decks
4%synergy
Mossfire Valley
17%inclusion1 decks6 decks
3%synergy
Sheltering Landscape
17%inclusion1 decks6 decks
2%synergy