Drowner of Secrets

a Merfolk deals combat damage — 386 cards in the game can cause this (Drowner of Secrets is one).

1. Seafloor Oracle — When Drowner of Secrets deals combat damage, Seafloor Oracle draws you 1 card

a Merfolk enters the battlefield — 397 cards in the game can cause this (Drowner of Secrets is one).

When Drowner of Secrets 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

a card is milled — 772 cards in the game can cause this (Drowner of Secrets is one).

1. Lo and Li, Royal Advisors — When Drowner of Secrets makes a player mill a card, Lo and Li, Royal Advisors puts a counter on an Advisor

a nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Drowner of Secrets is one).

1. Inalla, Archmage Ritualist — When Drowner of Secrets enters, Inalla, Archmage Ritualist makes a token

a Wizard creature enters the battlefield — 1,264 cards in the game can cause this (Drowner of Secrets is one).

1. Diviner's Wand — When Drowner of Secrets enters, Diviner's Wand triggers

a card in a graveyard — 7,589 cards in the game can cause this (Drowner of Secrets is one).

1. Samwise Gamgee — Drowner of Secrets puts cards into the graveyard that Samwise Gamgee can bring back
2. Fire Nation Salvagers — Drowner of Secrets puts cards into the graveyard that Fire Nation Salvagers can bring back
3. Bloodbond March — Drowner of Secrets puts cards into the graveyard that Bloodbond March can bring back
4. Thor, God of Thunder — Drowner of Secrets puts cards into the graveyard that Thor, God of Thunder can bring back
5. Gale, Waterdeep Prodigy — Drowner of Secrets puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
6. Harness the Storm — Drowner of Secrets puts cards into the graveyard that Harness the Storm can bring back
7. Transplant Theorist — Drowner of Secrets puts cards into the graveyard that Transplant Theorist can bring back
8. Heart-Shaped Herb — Drowner of Secrets puts cards into the graveyard that Heart-Shaped Herb can bring back
9. Wayward Angel — Drowner of Secrets fills your graveyard toward the 7 or more cards Wayward Angel needs
10. Rescue from the Underworld — Drowner of Secrets puts cards into the graveyard that Rescue from the Underworld can bring back

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Drowner of Secrets is one).

When a card hits the graveyard thanks to Drowner of Secrets:

1. The Haunt of Hightower — puts a +1/+1 counter on itself
2. Duskmantle Guildmage — makes each opponent lose 1 life
3. Vulturous Zombie — puts a +1/+1 counter on itself
4. Quest for Ancient Secrets — puts a quest counter on itself
5. Bloodchief Ascension — makes each opponent lose 2 life
6. Compost — draws you 1 card
7. Planar Void — hits a graveyard
8. Measure of Wickedness — gives an opponent control of itself
9. Energy Field — sacrifices itself

2 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 (Drowner of Secrets is one).

When Drowner of Secrets attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards
10. Toph, Earthbending Master — puts a counter on a permanent

118 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 (Drowner of Secrets is one).

When Drowner of Secrets attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
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. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Total War — kills a creature

189 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 (Drowner of Secrets is one).

When Drowner of Secrets blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Tide of War — sacrifices a creature
4. Dead-Iron Sledge — kills a creature
5. Dwindle — kills a creature

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

a nontoken creature attacks — 17,934 cards in the game can cause this (Drowner of Secrets is one).

1. Mardu Ascendancy — When Drowner of Secrets attacks, Mardu Ascendancy makes a token

2 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 (Drowner of Secrets is one).

When Drowner of Secrets enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Ray Fillet, Wave Warrior — puts a counter on itself
3. The Neutrinos — gets +1/+0
4. Wingnut, Bat on the Belfry — grants flying, haste and menace
5. Aetherstorm Roc — puts a counter on a permanent you control
6. Raphael, Most Attitude — exiles a card from your library

352 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 (Drowner of Secrets is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Drowner of Secrets enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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