Mulch

a sorcery is cast — 3,720 cards in the game can cause this (Mulch is one).

1. Spellweaver Volute — When Mulch is cast, Spellweaver Volute copies a spell
2. Lilah, Undefeated Slickshot — When Mulch is cast, Lilah, Undefeated Slickshot gets +1/+1
3. Niblis of Frost — When Mulch is cast, Niblis of Frost gets +1/+1
4. Primeval Bounty — When Mulch is cast, Primeval Bounty puts 3 counters on a creature
5. Tetsuko Umezawa, Pursuer — When Mulch is cast, Tetsuko Umezawa, Pursuer gets +1/+1
6. Thor, God of Thunder — When Mulch is cast, Thor, God of Thunder deals that spell's mana value damage
7. Krile Baldesion — When Mulch is cast, Krile Baldesion brings a card back
8. Summon: Good King Mog XII — When Mulch is cast, Summon: Good King Mog XII makes a token
9. Kykar, Wind's Fury — When Mulch is cast, Kykar, Wind's Fury makes a token
10. Blood Funnel — When Mulch is cast, Blood Funnel sacrifices a creature

424 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 (Mulch is one).

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

When a card hits the graveyard thanks to Mulch:

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 is cast — 31,128 cards in the game can cause this (Mulch is one).

1. Windrider Wizard — When Mulch is cast, Windrider Wizard draws you 1 card
2. Relic Amulet — When Mulch is cast, Relic Amulet puts a charge counter on itself
3. Rockslide Sorcerer — When Mulch is cast, Rockslide Sorcerer deals 1 damage
4. Umara Wizard // Umara Skyfalls — When Mulch is cast, Umara Wizard // Umara Skyfalls grants flying
5. Alania, Divergent Storm — When Mulch is cast, Alania, Divergent Storm makes an opponent draw 1 card
6. Umara Mystic — When Mulch is cast, Umara Mystic gets +2/+0
7. Master of Winds — When Mulch is cast, Master of Winds triggers

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