Summon Undead

a creature leaves a graveyard — 1,302 cards in the game can cause this (Summon Undead is one).

When a creature leaves a graveyard thanks to Summon Undead:

1. Grim Reaper's Scythe — makes a token
2. Syr Konrad, the Grim — deals 1 damage
3. Cyan, Vengeful Samurai — puts a +1/+1 counter on itself
4. Along the Crooked Way — puts a counter on a Goblin or Army
5. Skeleton Crew — makes a token
6. Desecrated Tomb — makes a token
7. Chalk Outline — makes a token
8. Insidious Roots — makes a token
9. Undead Hand Ninja — makes each opponent lose 1 life
10. Rot Farm Mortipede — gets +1/+0

3 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 (Summon Undead is one).

When a creature leaves a graveyard thanks to Summon Undead:

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

When Summon Undead is cast:

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

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

When a card hits the graveyard thanks to Summon Undead:

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.

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Summon Undead is one).

When a creature enters thanks to Summon Undead:

1. Riku of Two Reflections — makes a token
2. Dual Nature — makes a token

31 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 (Summon Undead is one).

1. Precursor Golem — When Precursor Golem enters thanks to Summon Undead, it makes 2 tokens
2. Conciliator's Duelist — When Conciliator's Duelist enters thanks to Summon Undead, it draws you 1 card
3. Fire Nation Salvagers — When Fire Nation Salvagers enters thanks to Summon Undead, it puts a counter on a creature or Vehicle
4. Thieves' Guild Enforcer — When Thieves' Guild Enforcer enters thanks to Summon Undead, it mills a card
5. Author of Shadows — When Author of Shadows enters thanks to Summon Undead, it brings a card back
6. Landscaper Colos — When Landscaper Colos enters thanks to Summon Undead, it brings a card back
7. Colossal Grave-Reaver — When Colossal Grave-Reaver enters thanks to Summon Undead, it mills a card
8. Deluge Virtuoso — When Deluge Virtuoso enters thanks to Summon Undead, it taps a creature an opponent controls
9. Cavalier of Thorns — When Cavalier of Thorns enters thanks to Summon Undead, it puts a land onto the battlefield
10. Crabomination — When Crabomination enters thanks to Summon Undead, it exiles a card from an opponent's library

341 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 (Summon Undead is one).

1. The Reaper, King No More — When The Reaper, King No More enters thanks to Summon Undead, it puts a counter on a creature
2. Rosheen, Roaring Prophet — When Rosheen, Roaring Prophet enters thanks to Summon Undead, it mills a card
3. Kotose, the Silent Spider — When Kotose, the Silent Spider enters thanks to Summon Undead, it brings a card back
4. Pigment Wrangler // Striking Palette — When Pigment Wrangler // Striking Palette enters thanks to Summon Undead, it becomes prepared

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