Grolnok, the Omnivore

a land is played — 57 cards in Grolnok's colors can cause this (Grolnok is one).

When a land plays a land thanks to Grolnok, the Omnivore:

1. The Endstone — draws you 1 card
2. Horn of Greed — makes a player draw 1 card
3. Pangosaur — triggers
4. City of Traitors — sacrifices itself

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

a Frog attacks — 86 cards in Grolnok's colors can cause this.

1. Pollywog Prodigy — When Pollywog Prodigy attacks, Grolnok, the Omnivore mills a card
2. Bloodline Pretender — When Bloodline Pretender attacks, Grolnok, the Omnivore mills a card
3. Gladewalker Ritualist — When Gladewalker Ritualist attacks, Grolnok, the Omnivore mills a card
4. Crocanura — When Crocanura attacks, Grolnok, the Omnivore mills a card
5. Clement, the Worrywort — When Clement, the Worrywort attacks, Grolnok, the Omnivore mills a card
6. Venus, Torn Between Worlds — When Venus, Torn Between Worlds attacks, Grolnok, the Omnivore mills a card
7. Long River Lurker — When Long River Lurker attacks, Grolnok, the Omnivore mills a card
8. Barkform Harvester — When Barkform Harvester attacks, Grolnok, the Omnivore mills a card
9. Excavating Anurid — When Excavating Anurid attacks, Grolnok, the Omnivore mills a card
10. Anurid Barkripper — When Anurid Barkripper attacks, Grolnok, the Omnivore mills a card

76 other cards cause it too. These are the ones with the most connections.

a Frog enters the battlefield — 90 cards in Grolnok's colors can cause this (Grolnok is one).

1. Valley Mightcaller — When Grolnok, the Omnivore enters, Valley Mightcaller puts a +1/+1 counter on itself

anything leaves a graveyard — 706 cards in Grolnok's colors can cause this (Grolnok is one).

When Grolnok, the Omnivore leaves a graveyard:

1. Hologram Stalker — makes a token
2. Willow Geist — puts a +1/+1 counter on itself

a card in a graveyard — 2,533 cards in Grolnok's colors can cause this (Grolnok is one).

Grolnok, the Omnivore:

1. Gale, Waterdeep Prodigy — puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
2. Transplant Theorist — puts cards into the graveyard that Transplant Theorist can bring back
3. Heart-Shaped Herb — puts cards into the graveyard that Heart-Shaped Herb can bring back
4. Nantuko Calmer — fills your graveyard toward the 7 or more cards Nantuko Calmer needs
5. Grazing Kelpie — puts cards into the graveyard that Grazing Kelpie can bring back
6. Gurzigost — puts cards into the graveyard that Gurzigost can bring back
7. Mindwhisker — fills your graveyard toward the 7 or more cards Mindwhisker needs
8. Endurance — puts cards into the graveyard that Endurance can bring back
9. Anurid Scavenger — puts cards into the graveyard that Anurid Scavenger can bring back
10. Stone-Tongue Basilisk — fills your graveyard toward the 7 or more cards Stone-Tongue Basilisk needs

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

anything goes to a graveyard — 2,533 cards in Grolnok's colors can cause this (Grolnok is one).

When a card hits the graveyard thanks to Grolnok, the Omnivore:

1. Quest for Ancient Secrets — puts a quest counter on itself
2. Energy Field — sacrifices itself

1 other card cares about it too. These are the ones with the most connections.

a creature attacks — 6,391 cards in Grolnok's colors can cause this (Grolnok is one).

When Grolnok, the Omnivore attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Screaming Swarm — mills a card
4. Imperious Mindbreaker — mills a card
5. Staff of Titania — makes a token
6. Fractal Harness — puts counters on a permanent
7. Inquisitorial Rosette — makes a token
8. Saw — sacrifices a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Throwing Knife — sacrifices itself

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

anything attacks — 6,391 cards in Grolnok's colors can cause this (Grolnok is one).

When Grolnok, the Omnivore attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Madame Web, Clairvoyant — mills a card
3. Bonny Pall, Clearcutter — draws you 1 card
4. Hazardroot Herbalist — gives +1/+0
5. Ranger Class — puts a counter on a creature
6. Campsite Cuisine — sacrifices a Food
7. Gossip's Talent — triggers
8. Toph, Earthbending Master — puts a counter on a permanent
9. Alora, Merry Thief — triggers
10. Twins of Discord — triggers

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

a creature blocks — 6,391 cards in Grolnok's colors can cause this (Grolnok is one).

When Grolnok, the Omnivore blocks:

1. Barrow-Blade — strips abilities
2. Favor of the Woods — gains you 3 life
3. Gift of the Woods — gives +0/+3
4. Noxious Assault — puts a counter on a permanent
5. Ferocity — puts a counter on a permanent
6. Mammoth Harness — grants first strike
7. Dead-Iron Sledge — kills a creature
8. Dwindle — kills a creature

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

a creature is cast — 6,423 cards in Grolnok's colors can cause this (Grolnok is one).

When Grolnok, the Omnivore is cast:

1. Primeval Bounty — makes a token
2. Dancing from Dark to Dawn — puts that spell's mana value counters on a creature
3. Summon: Fenrir — it arrives with counters thanks to Summon: Fenrir
4. Mona Lisa, Ever Adaptable — makes a token
5. Champions of the Perfect — draws you 1 card
6. Masked Admirers — returns itself from the graveyard
7. Primordial Sage — draws you 1 card
8. Oketra's Monument — makes a token
9. Beast Whisperer — draws you 1 card
10. Silverback Elder — triggers

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

a creature enters the battlefield — 7,050 cards in Grolnok's colors can cause this (Grolnok is one).

When Grolnok, the Omnivore enters:

1. Lonis, Genetics Expert — puts a counter on itself
2. Ray Fillet, Wave Warrior — puts a counter on itself
3. Legolas Greenleaf — puts a counter on a permanent

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