Tempest Harvester

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

1. Seafloor Oracle — When Tempest Harvester deals combat damage, Seafloor Oracle draws you 1 card

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

When Tempest Harvester 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 nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Tempest Harvester is one).

1. Inalla, Archmage Ritualist — When Tempest Harvester enters, Inalla, Archmage Ritualist makes a token

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

1. Diviner's Wand — When Tempest Harvester enters, Diviner's Wand triggers

a card is discarded — 2,042 cards in the game can cause this (Tempest Harvester is one).

When Tempest Harvester makes a player discard a card:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Lazotep Chancellor — puts 2 counters on a Zombie or Army
6. Magmakin Artillerist — deals that much damage
7. Inti, Seneschal of the Sun — exiles a card from your library
8. Pitchstone Wall — sacrifices itself
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

51 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 (Tempest Harvester is one).

When Tempest Harvester makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
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 (Tempest Harvester is one).

When a permanent gets a counter thanks to Tempest Harvester:

1. Aether Revolt — deals that much damage
2. Territorial Gorger — gets +2/+2
3. Fabrication Module — puts a counter on a creature
4. All Will Be One — deals that much damage

5 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 (Tempest Harvester is one).

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

When a card hits the graveyard thanks to Tempest Harvester:

1. Quest for Ancient Secrets — puts a quest counter on itself
2. Planar Void — hits a graveyard
3. Measure of Wickedness — gives an opponent control of itself
4. Energy Field — sacrifices itself

7 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 (Tempest Harvester is one).

When Tempest Harvester attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Invisible Woman — triggers
3. Caesar, Legion's Emperor — sacrifices a creature
4. Guide of Souls — triggers
5. Campsite Cuisine — sacrifices a Food

126 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 (Tempest Harvester is one).

When Tempest Harvester attacks:

1. Adaptive Omnitool — searches a library
2. Saw — sacrifices a creature

199 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 (Tempest Harvester is one).

1. Tide of War — When Tempest Harvester blocks, Tide of War sacrifices a creature

29 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 (Tempest Harvester is one).

When Tempest Harvester enters:

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

357 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 (Tempest Harvester is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Tempest Harvester enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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