Urza's Sylex

a permanent in a graveyard — 173 cards in the game can cause this (Urza's Sylex is one).

1. Cosmic Rebirth — Urza's Sylex puts cards into the graveyard that Cosmic Rebirth can bring back
2. Starving Revenant — Urza's Sylex fills your graveyard toward the 8 or more permanent cards Starving Revenant needs
3. Yuna's Decision — Urza's Sylex puts cards into the graveyard that Yuna's Decision can bring back
4. Squirming Emergence — Urza's Sylex puts cards into the graveyard, and Squirming Emergence gets bigger
5. Hologram Stalker — Urza's Sylex puts cards into the graveyard that Hologram Stalker can bring back
6. Badlands Revival — Urza's Sylex puts cards into the graveyard that Badlands Revival can bring back
7. Urborg Repossession — Urza's Sylex puts cards into the graveyard that Urborg Repossession can bring back
8. Return of the Mole Man — Urza's Sylex puts cards into the graveyard, and Return of the Mole Man gets bigger
9. Puca's Covenant — Urza's Sylex puts cards into the graveyard that Puca's Covenant can bring back
10. Trystan's Command — Urza's Sylex puts cards into the graveyard that Trystan's Command can bring back

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

a nontoken permanent is put into a graveyard from the battlefield — 173 cards in the game can cause this (Urza's Sylex is one).

When a permanent is put into a graveyard from the battlefield thanks to Urza's Sylex:

1. Jinxed Ring — deals 1 damage
2. Liability — makes a player lose 1 life

a permanent is put into a graveyard from the battlefield — 174 cards in the game can cause this (Urza's Sylex is one).

When a permanent is put into a graveyard from the battlefield thanks to Urza's Sylex:

1. Prince of Thralls — brings a card back
2. Kothophed, Soul Hoarder — draws you 1 card
3. Last Laugh — deals 1 damage
4. Sarulf, Realm Eater — puts a +1/+1 counter on itself
5. Aetherworks Marvel — adds 1 mana
6. Patron of the Nezumi — makes each opponent lose 1 life

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

a nontoken permanent leaves the battlefield — 313 cards in the game can cause this (Urza's Sylex is one).

1. Genku, Future Shaper — When Urza's Sylex leaves the battlefield, Genku, Future Shaper makes a token

a permanent leaves the battlefield — 315 cards in the game can cause this (Urza's Sylex is one).

When Urza's Sylex leaves the battlefield:

1. Super Shredder — puts a +1/+1 counter on itself
2. Nefarious Imp — scries

an artifact leaves the battlefield — 1,680 cards in the game can cause this (Urza's Sylex is one).

1. Sludge Strider — When Urza's Sylex leaves the battlefield, Sludge Strider makes a player lose 1 life

anything is exiled — 2,497 cards in the game can cause this.

When Urza's Sylex is:

1. The War Doctor — exiled, The War Doctor puts a time counter on itself
2. Ugin, the Ineffable — exiled thanks to Ugin, the Ineffable, it searches a library
3. Semblance Anvil — exiled thanks to Semblance Anvil, it searches a library

an artifact is cast — 3,683 cards in the game can cause this (Urza's Sylex is one).

When Urza's Sylex is cast:

1. Mendicant Core, Guidelight — copies a spell
2. Sai, Master Thopterist — makes a token
3. Ravenous Robots — makes a token
4. Pinnacle Emissary — makes a token
5. Mirrodin Besieged — makes a token
6. Poetic Ingenuity — makes a token
7. Digsite Engineer — makes a token
8. Myrsmith — makes a token
9. Riddlesmith — draws you 1 card
10. Dr. Madison Li — puts a counter on a permanent you control

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

a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Urza's Sylex is one).

When Urza's Sylex enters:

1. Ultron, Artificial Malevolence — makes a token
2. The Prydwen, Steel Flagship — makes a token
3. Conquest Mission — puts a quest counter on itself
4. Surge Conductor — proliferates
5. Replication Specialist — makes a token
6. Weapons Manufacturing — makes a token
7. Mirrorworks — makes a token

an artifact enters the battlefield — 4,643 cards in the game can cause this (Urza's Sylex is one).

When Urza's Sylex enters:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — surveils
4. Underhanded Designs — makes each opponent lose 1 life
5. Mechan Assembler — makes a token
6. Glassdust Hulk — gets +1/+1
7. Rook Turret — draws you 1 card
8. Hedron Detonator — deals 1 damage
9. Pactdoll Terror — makes each opponent lose 1 life
10. Mandible Justiciar — gets +1/+1

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

a permanent is put into a graveyard from the battlefield — 5,057 cards in the game can cause this (Urza's Sylex is one).

1. Long Feng, Grand Secretariat — When a permanent dies thanks to Urza's Sylex, Long Feng, Grand Secretariat puts a counter on a creature
2. Aerid Konstrari — When Aerid Konstrari dies thanks to Urza's Sylex, it makes a token
3. Oathkeeper, Takeno's Daisho — When Oathkeeper, Takeno's Daisho is put into a graveyard from the battlefield thanks to Urza's Sylex, it exiles a creature

6 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 (Urza's Sylex is one).

1. Vessel of Endless Rest — Urza's Sylex puts cards into the graveyard that Vessel of Endless Rest can bring back
2. Gale, Waterdeep Prodigy — Urza's Sylex puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
3. Heart-Shaped Herb — Urza's Sylex puts cards into the graveyard that Heart-Shaped Herb can bring back
4. Wayward Angel — Urza's Sylex fills your graveyard toward the 7 or more cards Wayward Angel needs
5. Rescue from the Underworld — Urza's Sylex puts cards into the graveyard that Rescue from the Underworld can bring back
6. Victimize — Urza's Sylex puts cards into the graveyard that Victimize can bring back
7. Bound // Determined — Urza's Sylex puts cards into the graveyard that Bound // Determined can bring back

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