Omnath, Locus of the Roil

an Elemental enters the battlefield — 754 cards in the game can cause this (Omnath is one).

When Omnath, Locus of the Roil enters:

1. Champion of the Path — deals its power damage
2. Risen Reef — puts a land onto the battlefield

put a land onto the battlefield — 1,560 cards in the game can cause this.

1. Umara Wizard // Umara Skyfalls — When Umara Wizard // Umara Skyfalls enters, Omnath, Locus of the Roil puts a counter on an Elemental
2. Fecund Greenshell — When a land enters thanks to Fecund Greenshell, Omnath, Locus of the Roil puts a counter on an Elemental
3. Sunken Palace — When Sunken Palace enters, Omnath, Locus of the Roil puts a counter on an Elemental
4. Summon: Fenrir — When a land enters thanks to Summon: Fenrir, Omnath, Locus of the Roil puts a counter on an Elemental
5. Silverback Elder — When a land enters thanks to Silverback Elder, Omnath, Locus of the Roil puts a counter on an Elemental
6. Bonny Pall, Clearcutter — When a land enters thanks to Bonny Pall, Clearcutter, Omnath, Locus of the Roil puts a counter on an Elemental
7. The Earth King — When a land enters thanks to The Earth King, Omnath, Locus of the Roil puts a counter on an Elemental
8. Staff of Titania — When a Forest or Dryad enters thanks to Staff of Titania, Omnath, Locus of the Roil puts a counter on an Elemental
9. Contaminant Grafter — When a land enters thanks to Contaminant Grafter, Omnath, Locus of the Roil puts a counter on an Elemental
10. Kodama of the West Tree — When a land enters thanks to Kodama of the West Tree, Omnath, Locus of the Roil puts a counter on an Elemental

1,550 other cards cause it too. These are the ones with the most connections.

anything deals noncombat damage — 3,068 cards in the game can cause this (Omnath is one).

When Omnath, Locus of the Roil deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Soul-Scar Mage — puts that many counters on a permanent
3. Fear of Burning Alive — deals that amount damage
4. Niv-Mizzet, Visionary — draws you that many cards
5. Chandra's Incinerator — deals that much damage
6. Chandra's Pyreling — gets +1/+0
7. Talon of Pain — puts a charge counter on itself
8. Asgardian Inspiration — returns itself from the graveyard
9. Thor, Guardian of Midgard — exiles a card from your library
10. Virtue of Courage // Embereth Blaze — exiles a card from your library

36 other cards care about it too. These are the ones with the most connections.

life is lost — 3,160 cards in the game can cause this (Omnath is one).

When Omnath, Locus of the Roil makes a player lose life:

1. Far Fortune, End Boss — raises your speed
2. Zahur, Glory's Past — raises your speed
3. Mendicant Core, Guidelight — raises your speed
4. Aether Syphon — raises your speed
5. Vnwxt, Verbose Host — raises your speed
6. Embalmed Ascendant — raises your speed
7. Slick Imitator — raises your speed
8. Oath of Lim-Dûl — sacrifices an enchantment
9. Marina Vendrell's Grimoire — triggers
10. Lich's Mastery — triggers

46 other cards care about it too. These are the ones with the most connections.

a card is drawn — 3,815 cards in the game can cause this (Omnath is one).

When Omnath, Locus of the Roil makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. The Locust God — makes a token
4. Starving Revenant — makes each opponent lose 1 life
5. Diviner's Wand — gets +1/+1
6. Ominous Seas — puts a foreshadow counter on itself
7. Dream Trawler — gets +1/+0
8. Iron Man, Armored Avenger — puts a counter on a creature
9. The Astonishing Ant-Man — puts a +1/+1 counter on itself
10. Psychosis Crawler — makes each opponent lose 1 life

57 other cards care about it too. These are the ones with the most connections.

anything gets a counter — 4,415 cards in the game can cause this (Omnath is one).

1. All Will Be One — When an Elemental gets a counter thanks to Omnath, Locus of the Roil, All Will Be One deals that much damage

8 other cards care about it too. These are the ones with the most connections.

a creature attacks — 17,934 cards in the game can cause this (Omnath is one).

When Omnath, Locus of the Roil attacks:

1. Anthem of Rakdos — gives +2/+0
2. Adaptive Omnitool — searches a library
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Saw — sacrifices a creature

187 other cards care about it too. These are the ones with the most connections.

anything attacks — 17,934 cards in the game can cause this (Omnath is one).

When Omnath, Locus of the Roil attacks:

1. Grim Javelineer — gives +1/+0
2. Invisible Woman — triggers
3. Caesar, Legion's Emperor — sacrifices a creature
4. Guide of Souls — triggers
5. Campsite Cuisine — sacrifices a Food
6. Gossip's Talent — triggers
7. Banon, the Returners' Leader — draws and discards
8. Toph, Earthbending Master — puts a counter on a permanent
9. Three Dog, Galaxy News DJ — sacrifices an Aura
10. Inti, Seneschal of the Sun — triggers

113 other cards care about it too. These are the ones with the most connections.

a creature blocks — 17,934 cards in the game can cause this (Omnath is one).

1. Tide of War — When Omnath, Locus of the Roil blocks, Tide of War sacrifices a creature

27 other cards care about it too. These are the ones with the most connections.

a creature enters the battlefield — 19,800 cards in the game can cause this (Omnath is one).

When Omnath, Locus of the Roil enters:

1. Lonis, Genetics Expert — puts a counter on itself
2. Slash, Reptile Rampager — deals 2 damage
3. Gimli of the Glittering Caves — puts counters on a permanent
4. Ray Fillet, Wave Warrior — puts a counter on itself
5. Legolas Greenleaf — puts a counter on a permanent
6. The Neutrinos — gets +1/+0
7. Wingnut, Bat on the Belfry — grants flying, haste and menace
8. Aetherstorm Roc — puts a counter on a permanent you control
9. Raphael, Most Attitude — exiles a card from your library

305 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 26,499 cards in the game can cause this (Omnath is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Omnath, Locus of the Roil enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

42 other cards care about it too. These are the ones with the most connections.