Winnow

a battle in a graveyard — 129 cards in the game can cause this (Winnow is one).

Winnow puts cards into the graveyard that:

1. Bilbo, Unexpected Adventurer — can bring back
2. Narset, Enlightened Exile — can bring back
3. Fallaji Archaeologist — can bring back
4. Chandra, Chill of Compliance — can bring back

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

a planeswalker in a graveyard — 232 cards in the game can cause this (Winnow is one).

Winnow puts cards into the graveyard that:

1. The Eldest Reborn — can bring back
2. Yawgmoth's Vile Offering — can bring back
3. Nicol Bolas, the Ravager // Nicol Bolas, the Arisen — can bring back
4. Breach the Multiverse — can bring back
5. Command the Dreadhorde — can bring back

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

an enchantment in a graveyard — 983 cards in the game can cause this (Winnow is one).

Winnow puts cards into the:

1. Bramble Familiar // Fetch Quest — graveyard that Bramble Familiar // Fetch Quest can bring back
2. Saprazzan Bailiff — graveyard that Saprazzan Bailiff can bring back
3. Open the Vaults — graveyard that Open the Vaults can bring back
4. Mine Excavation — graveyard that Mine Excavation can bring back
5. Cantivore — graveyard, and Cantivore gets bigger

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

an enchantment is put into a graveyard from the battlefield — 987 cards in the game can cause this (Winnow is one).

1. Femeref Enchantress — When an enchantment is put into a graveyard from the battlefield thanks to Winnow, Femeref Enchantress draws you 1 card

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

an artifact in a graveyard — 1,226 cards in the game can cause this (Winnow is one).

Winnow puts cards into the graveyard that:

1. Dredger's Insight — can bring back
2. Queen Kayla bin-Kroog — can bring back
3. Beacon of Unrest — can bring back
4. T'Chaka, Venerable King — can bring back
5. Goblin Welder — can bring back
6. Tomakul Scrapsmith — can bring back
7. Anrakyr the Traveller — can bring back
8. Scrap Mastery — can bring back
9. Donnie & April, Adorkable Duo — can bring back
10. Keeper of the Cadence — can bring back

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

an artifact is put into a graveyard from the battlefield — 1,254 cards in the game can cause this (Winnow is one).

When an artifact is put into a graveyard from the battlefield thanks to Winnow:

1. Party Dude — draws you 1 card
2. Tezzeret's Touch — brings a card back
3. Krenko, Baron of Tin Street — makes a token
4. Shard of the Void Dragon — puts 2 +1/+1 counters on itself
5. Kibo, Uktabi Prince — puts a counter on an Ape or Monkey
6. Ich-Tekik, Salvage Splicer — puts a +1/+1 counter on itself
7. Gremlin Infestation — makes a token
8. Summoning Station — untaps itself
9. Pain Distributor — deals 1 damage
10. Fangren Marauder — gains you 5 life

32 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 (Winnow is one).

Winnow puts cards into the:

1. Tombstone Stairwell — graveyard, and Tombstone Stairwell gets bigger
2. Necromancy — graveyard that Necromancy can bring back
3. Chainer, Dementia Master — graveyard that Chainer, Dementia Master can bring back
4. The Deck of Many Things — graveyard that The Deck of Many Things can bring back
5. Afterlife from the Loam — graveyard that Afterlife from the Loam can bring back
6. Crypt Champion — graveyard that Crypt Champion can bring back
7. Victor, Valgavoth's Seneschal — graveyard that Victor, Valgavoth's Seneschal can bring back
8. Push // Pull — graveyard that Push // Pull can bring back
9. Vivien on the Hunt — graveyard that Vivien on the Hunt can bring back
10. Virtus's Maneuver — graveyard that Virtus's Maneuver can bring 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 (Winnow is one).

When a creature dies thanks to Winnow:

1. Vraska, the Silencer — brings a card back
2. High-Society Hunter — draws you 1 card
3. Overseer of the Damned — makes a token
4. Shelob, Dread Weaver — hits a graveyard

66 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 (Winnow is one).

When a creature dies thanks to Winnow:

1. Glissa, the Traitor — brings a card back
2. Salvaging Station — untaps itself
3. Journey to Eternity // Atzal, Cave of Eternity — brings a card back
4. Avatar Destiny — mills a card

464 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 (Winnow is one).

1. Toothy, Imaginary Friend — When Winnow makes a player draw a card, Toothy, Imaginary Friend puts a +1/+1 counter on itself

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

an instant is cast — 3,931 cards in the game can cause this (Winnow is one).

1. Electro, Assaulting Battery — When Winnow is cast, Electro, Assaulting Battery adds 1 mana
2. The Emperor of Palamecia // The Lord Master of Hell — When Winnow is cast, The Emperor of Palamecia // The Lord Master of Hell puts a +1/+1 counter on itself
3. Lotus-Eye Mystics — When Winnow is cast, Lotus-Eye Mystics gets +1/+1
4. Krile Baldesion — When Winnow is cast, Krile Baldesion brings a card back
5. Extus, Oriq Overlord // Awaken the Blood Avatar — When Winnow is cast, Extus, Oriq Overlord // Awaken the Blood Avatar brings a card back

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

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Winnow is one).

1. Dual Nature — When a creature leaves the battlefield thanks to Winnow, Dual Nature exiles a creature

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