World Shaper

a Merfolk deals combat damage — 386 cards in the game can cause this (World Shaper is one).

1. Seafloor Oracle — When World Shaper deals combat damage, Seafloor Oracle draws you 1 card

a Merfolk enters the battlefield — 397 cards in the game can cause this (World Shaper is one).

When World Shaper enters:

1. Forerunner of the Heralds — puts a +1/+1 counter on itself
2. Deeproot Elite — puts a counter on a Merfolk
3. River Sneak — gets +1/+1

a Shaman creature enters the battlefield — 539 cards in the game can cause this (World Shaper is one).

1. Thornbite Staff — When World Shaper enters, Thornbite Staff triggers

put a land into a graveyard — 634 cards in the game can cause this.

1. Spiked Ripsaw — Spiked Ripsaw puts cards into the graveyard that World Shaper can bring back
2. Excavating Anurid — Excavating Anurid puts cards into the graveyard that World Shaper can bring back
3. Centaur Garden — When Centaur Garden is in the graveyard, World Shaper can bring it back
4. Haven of the Spirit Dragon — When Haven of the Spirit Dragon is in the graveyard, World Shaper can bring it back
5. Edgewall Inn — When Edgewall Inn is in the graveyard, World Shaper can bring it back
6. Lazotep Quarry — Lazotep Quarry puts cards into the graveyard that World Shaper can bring back
7. Urza's Saga — When Urza's Saga is in the graveyard, World Shaper can bring it back
8. Inventors' Fair — When Inventors' Fair is in the graveyard, World Shaper can bring it back
9. Haunted Fengraf — When Haunted Fengraf is in the graveyard, World Shaper can bring it back
10. Gargantuan Gorilla — Gargantuan Gorilla puts cards into the graveyard that World Shaper can bring back

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

a land enters the battlefield — 1,560 cards in the game can cause this (World Shaper is one).

When a land enters thanks to World Shaper:

1. Primeval Bounty — gains you 3 life
2. Toph, Earthbending Master — puts a counter on a permanent
3. Dancing from Dark to Dawn — makes a token
4. Emeria Shepherd — brings a card back
5. Quest for the Necropolis — puts a quest counter on itself
6. Soul Stair Expedition — puts a quest counter on itself
7. Nissa of Shadowed Boughs — puts counters on a permanent
8. Thranduil, Sindarin Liege // Silvan Rally — makes a token
9. Silvan Reveler — returns itself from the graveyard
10. Floral Evoker — puts a +1/+1 counter on itself

199 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 (World Shaper is one).

When a land leaves a graveyard thanks to World Shaper:

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 (World Shaper is one).

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

When a card hits the graveyard thanks to World Shaper:

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 attacks — 17,934 cards in the game can cause this (World Shaper is one).

When World Shaper attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards

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

a creature attacks — 17,934 cards in the game can cause this (World Shaper is one).

When World Shaper attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Saw — sacrifices a creature

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

a creature blocks — 17,934 cards in the game can cause this (World Shaper is one).

1. Tide of War — When World Shaper blocks, Tide of War sacrifices a creature

29 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 (World Shaper is one).

When World Shaper enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Ray Fillet, Wave Warrior — puts a counter on itself
3. The Neutrinos — gets +1/+0
4. Wingnut, Bat on the Belfry — grants flying, haste and menace
5. Aetherstorm Roc — puts a counter on a permanent you control
6. Raphael, Most Attitude — exiles a card from your library

350 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 (World Shaper is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When World Shaper enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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