Wrenn and Realmbreaker

a permanent in a graveyard — 173 cards in the game can cause this.

1. Pious Evangel // Wayward Disciple — Pious Evangel // Wayward Disciple puts cards into the graveyard that Wrenn and Realmbreaker can bring back
2. Lich — Lich puts cards into the graveyard that Wrenn and Realmbreaker can bring back
3. Stitcher's Graft — Stitcher's Graft puts cards into the graveyard that Wrenn and Realmbreaker can bring back
4. Worldslayer — Worldslayer puts cards into the graveyard that Wrenn and Realmbreaker can bring back
5. Argentum Armor — Argentum Armor puts cards into the graveyard that Wrenn and Realmbreaker can bring back
6. Aether Barrier — Aether Barrier puts cards into the graveyard that Wrenn and Realmbreaker can bring back
7. Spirit-Sister's Call — Spirit-Sister's Call puts cards into the graveyard that Wrenn and Realmbreaker can bring back
8. Extricator of Sin // Extricator of Flesh — Extricator of Sin // Extricator of Flesh puts cards into the graveyard that Wrenn and Realmbreaker can bring back
9. Liliana, Dreadhorde General — Liliana, Dreadhorde General puts cards into the graveyard that Wrenn and Realmbreaker can bring back
10. Rakdos Riteknife — When Rakdos Riteknife is in the graveyard, Wrenn and Realmbreaker can bring it back
11. Lich's Tomb — Lich's Tomb puts cards into the graveyard that Wrenn and Realmbreaker can bring back
12. Behemoth of Vault 0 — Behemoth of Vault 0 puts cards into the graveyard that Wrenn and Realmbreaker can bring back
13. Clay Golem — Clay Golem puts cards into the graveyard that Wrenn and Realmbreaker can bring back
14. Ugin's Construct — Ugin's Construct puts cards into the graveyard that Wrenn and Realmbreaker can bring back
15. Wirefly Hive — Wirefly Hive puts cards into the graveyard that Wrenn and Realmbreaker can bring back
16. Ugin, the Ineffable — Ugin, the Ineffable puts cards into the graveyard that Wrenn and Realmbreaker can bring back
17. Beast Within — Beast Within puts cards into the graveyard that Wrenn and Realmbreaker can bring back
18. Ulamog, the Infinite Gyre — Ulamog, the Infinite Gyre puts cards into the graveyard that Wrenn and Realmbreaker can bring back
19. Green Slime — Green Slime puts cards into the graveyard that Wrenn and Realmbreaker can bring back
20. Giant's Boulder — When Giant's Boulder is in the graveyard, Wrenn and Realmbreaker can bring it back

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

a planeswalker it grants abilities to — 312 cards in the game can cause this.

1. Way of the Wildspeaker — Way of the Wildspeaker gives Wrenn and Realmbreaker an extra ability

311 other cards cause it too. These are the ones with the most connections.

a planeswalker is cast — 361 cards in the game can cause this (Wrenn and Realmbreaker is one).

When Wrenn and Realmbreaker is cast:

1. Jaya's Phoenix — returns itself from the graveyard
2. Interplanar Beacon — gains you 1 life
3. Defiler of Vigor — puts a counter on a creature
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

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

a planeswalker enters the battlefield — 366 cards in the game can cause this (Wrenn and Realmbreaker is one).

When Wrenn and Realmbreaker enters:

1. Builder's Talent — puts a counter on a creature
2. Brainstealer Dragon — makes a player lose life equal to its mana value
3. Cloudstone Curio — triggers

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

a land it grants abilities to — 1,237 cards in the game can cause this (Wrenn and Realmbreaker is one).

Wrenn and Realmbreaker gives:

1. Umara Wizard // Umara Skyfalls — an extra ability
2. Storm the Vault // Vault of Catlacan — an extra ability
3. Sunken Palace — an extra ability
4. Path of Mettle // Metzali, Tower of Triumph — an extra ability
5. Dalkovan Encampment — an extra ability
6. Dowsing Dagger // Lost Vale — an extra ability
7. Dragon-Cursed Halls — an extra ability
8. Pinnacle Monk // Mystic Peak — an extra ability
9. Blackbloom Rogue // Blackbloom Bog — an extra ability
10. Malakir Rebirth // Malakir Mire — an extra ability

1,227 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 (Wrenn and Realmbreaker is one).

When Wrenn and Realmbreaker leaves a graveyard:

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 card in a graveyard — 7,589 cards in the game can cause this (Wrenn and Realmbreaker is one).

Wrenn and Realmbreaker:

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

When a card hits the graveyard thanks to Wrenn and Realmbreaker:

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.