Rootwater Diver

a Merfolk in a graveyard — 13 cards in the game can cause this (Rootwater Diver is one).

1. Grim Captain's Call — When Rootwater Diver is in the graveyard, Grim Captain's Call can bring it back

an artifact leaves a graveyard — 233 cards in the game can cause this (Rootwater Diver is one).

1. Imotekh the Stormlord — When an artifact leaves a graveyard thanks to Rootwater Diver, Imotekh the Stormlord makes 2 tokens

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

a Merfolk deals combat damage — 386 cards in the game can cause this (Rootwater Diver is one).

1. Seafloor Oracle — When Rootwater Diver deals combat damage, Seafloor Oracle draws you 1 card

a Merfolk enters the battlefield — 397 cards in the game can cause this (Rootwater Diver is one).

When Rootwater Diver enters:

1. Forerunner of the Heralds — puts a +1/+1 counter on itself
2. Deeproot Elite — puts a counter on a Merfolk
3. River Sneak — gets +1/+1

put an artifact into a graveyard — 1,226 cards in the game can cause this.

1. Monkey Cage — When Monkey Cage is in the graveyard, Rootwater Diver can bring it back
2. Straw Golem — When Straw Golem is in the graveyard, Rootwater Diver can bring it back
3. ED-E, Lonesome Eyebot — When ED-E, Lonesome Eyebot is in the graveyard, Rootwater Diver can bring it back
4. Throwing Knife — When Throwing Knife is in the graveyard, Rootwater Diver can bring it back
5. Mystery Key — When Mystery Key is in the graveyard, Rootwater Diver can bring it back
6. The Fantasticar — When The Fantasticar is in the graveyard, Rootwater Diver can bring it back
7. Heart-Shaped Herb — When Heart-Shaped Herb is in the graveyard, Rootwater Diver can bring it back
8. Trading Post — Trading Post puts cards into the graveyard that Rootwater Diver can bring back
9. Dawn-Blessed Pennant — When Dawn-Blessed Pennant is in the graveyard, Rootwater Diver can bring it back
10. Rod of Absorption — When Rod of Absorption is in the graveyard, Rootwater Diver can bring it back

1,216 other cards cause it too. These are the ones with the most connections.

a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Rootwater Diver is one).

When you sacrifice Rootwater Diver:

1. Fumulus, the Infestation — makes a token
2. Bag of Devouring — exiles it

a creature is sacrificed — 1,741 cards in the game can cause this (Rootwater Diver is one).

When you sacrifice Rootwater Diver:

1. Ziatora, the Incinerator — deals that creature's power damage
2. Dina, Essence Brewer — draws you 1 card
3. Fleshtaker — gains you 1 life
4. Body Dropper — puts a +1/+1 counter on itself
5. Smothering Abomination — draws you 1 card
6. Kels, Fight Fixer — draws you 1 card
7. Caesar, Legion's Emperor — triggers
8. Grist, the Hunger Tide — kills a creature or planeswalker an opponent controls
9. Cabal Therapist — triggers
10. Rakdos, the Muscle — exiles a card from an opponent's library

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

anything leaves a graveyard — 2,503 cards in the game can cause this (Rootwater Diver is one).

When an artifact leaves a graveyard thanks to Rootwater Diver:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

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

a creature in a graveyard — 2,769 cards in the game can cause this (Rootwater Diver is one).

When Rootwater Diver is in the graveyard:

1. Chainer, Dementia Master — can bring it back
2. Dredger's Insight — can bring it back
3. Havengul Lich — can bring it back
4. Liliana the Repentant — can bring it back
5. Paleoloth — can bring it back
6. Chainer, Nightmare Adept — can bring it back
7. Banon, the Returners' Leader — can bring it back
8. Surgical Suite // Hospital Room — can bring it back
9. Sword of Light and Shadow — can bring it back
10. Necromantic Thirst — can bring it back

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

a nontoken creature dies — 2,769 cards in the game can cause this (Rootwater Diver is one).

When Rootwater Diver dies:

1. Zahur, Glory's Past — makes a token
2. Liesa, Forgotten Archangel — brings a card back
3. Avacyn, Angel of Horror — brings a card back
4. Yedora, Grave Gardener — brings a card back
5. Nim Deathmantle — brings a card back
6. Valkyrie's Call — brings a card back
7. Decaying Soil — brings a card back
8. High-Society Hunter — draws you 1 card
9. Liliana, Heretical Healer // Liliana, Defiant Necromancer — flickers itself
10. Body Launderer — draws and discards

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

a creature dies — 2,830 cards in the game can cause this (Rootwater Diver is one).

When Rootwater Diver dies:

1. Pious Evangel // Wayward Disciple — makes each opponent lose 1 life
2. Daxos, Blessed by the Sun — gains you 1 life
3. Elas il-Kor, Sadistic Pilgrim — makes each opponent lose 1 life
4. Shriveling Rot — makes a player lose life equal to its toughness

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

a creature leaves the battlefield — 4,238 cards in the game can cause this (Rootwater Diver is one).

1. Ninja Teen — When Rootwater Diver leaves the battlefield, Ninja Teen makes each opponent lose 1 life

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

a card in a graveyard — 7,589 cards in the game can cause this (Rootwater Diver is one).

1. Havi, the All-Father — Rootwater Diver fills your graveyard toward the 4 or more cards Havi, the All-Father needs

443 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 (Rootwater Diver is one).

When Rootwater Diver attacks:

1. Shaun, Father of Synths — makes a token
2. Grim Javelineer — gives +1/+0
3. Clavileño, First of the Blessed — turns something into a creature

148 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 (Rootwater Diver is one).

1. Chorale of the Void — When Rootwater Diver attacks, Chorale of the Void brings a card back

219 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 (Rootwater Diver is one).

When Rootwater Diver enters:

1. Boss's Chauffeur — puts a +1/+1 counter on itself
2. Dinosaur Egg — puts a counter on itself

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