Gran-Gran

an Ally deals combat damage — 265 cards in the game can cause this (Gran-Gran is one).

1. Invasion Tactics — When Gran-Gran deals combat damage, Invasion Tactics draws you 1 card

an Ally enters the battlefield — 285 cards in the game can cause this (Gran-Gran is one).

When Gran-Gran enters:

1. Turntimber Ranger — makes a token
2. Grovetender Druids — makes a token
3. Halimar Excavator — mills a card
4. Kalastria Healer — makes each opponent lose 1 life
5. South Pole Voyager — gains you 1 life
6. Ondu Cleric — gains you life
7. Tuktuk Grunts — puts a +1/+1 counter on itself
8. Sokka and Suki — triggers
9. Tuktuk Scrapper — kills an artifact an opponent controls
10. Bala Ged Thief — triggers

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

tap a permanent — 699 cards in the game can cause this.

When Gran-Gran becomes tapped thanks to:

1. Nyssa of Traken — it draws you 1 card
2. Summon: Valefor — it draws you 1 card
3. Gallows at Willow Hill — it draws you 1 card
4. Chandra, Chill of Compliance — it draws you 1 card
5. Teardrop Kami — it draws you 1 card
6. Wave Elemental — it draws you 1 card
7. Drowner of Hope — it draws you 1 card
8. Seasoned Cryomancer — it draws you 1 card
9. Divining Duelist — it draws you 1 card
10. Three Bowls of Porridge — it draws you 1 card

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

a card is discarded — 2,042 cards in the game can cause this (Gran-Gran is one).

When Gran-Gran makes a player discard a card:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Lazotep Chancellor — puts 2 counters on a Zombie or Army
6. Magmakin Artillerist — deals that much damage
7. Inti, Seneschal of the Sun — exiles a card from your library
8. Pitchstone Wall — sacrifices itself
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

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

a card is drawn — 3,815 cards in the game can cause this (Gran-Gran is one).

When Gran-Gran makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

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

a Human enters the battlefield — 4,639 cards in the game can cause this (Gran-Gran is one).

When Gran-Gran enters:

1. General Kudro of Drannith — hits a graveyard
2. Heronblade Elite — puts a +1/+1 counter on itself
3. Kyler, Sigardian Emissary — puts a +1/+1 counter on itself
4. Thalia's Lieutenant — puts a +1/+1 counter on itself
5. Champion of the Parish — puts a +1/+1 counter on itself
6. Captain of the Mists — untaps itself
7. Erkenbrand, Lord of Westfold — gives +1/+0
8. Beregond of the Guard — gives +1/+1
9. Théoden, King of Rohan — grants double strike
10. Lossarnach Captain — taps a creature an opponent controls

2 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.

1. Samwise Gamgee — Gran-Gran puts cards into the graveyard that Samwise Gamgee can bring back
2. Bloodbond March — Gran-Gran puts cards into the graveyard that Bloodbond March can bring back
3. Thor, God of Thunder — Gran-Gran puts cards into the graveyard that Thor, God of Thunder can bring back
4. Gale, Waterdeep Prodigy — Gran-Gran puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
5. Harness the Storm — Gran-Gran puts cards into the graveyard that Harness the Storm can bring back
6. Transplant Theorist — Gran-Gran puts cards into the graveyard that Transplant Theorist can bring back
7. Heart-Shaped Herb — Gran-Gran puts cards into the graveyard that Heart-Shaped Herb can bring back
8. Wayward Angel — Gran-Gran fills your graveyard toward the 7 or more cards Wayward Angel needs
9. Rescue from the Underworld — Gran-Gran puts cards into the graveyard that Rescue from the Underworld can bring back
10. Victimize — Gran-Gran puts cards into the graveyard that Victimize can bring back
11. Sage's Row Denizen — Sage's Row Denizen fills your graveyard toward the 3 or more cards Gran-Gran needs
12. Screaming Swarm — Screaming Swarm fills your graveyard toward the 3 or more cards Gran-Gran needs
13. Master Pakku — Master Pakku fills your graveyard toward the 3 or more cards Gran-Gran needs
14. Cruel Witness — Cruel Witness fills your graveyard toward the 3 or more cards Gran-Gran needs
15. Lightshell Duo — Lightshell Duo fills your graveyard toward the 3 or more cards Gran-Gran needs
16. Exhibition Tidecaller — Exhibition Tidecaller fills your graveyard toward the 3 or more cards Gran-Gran needs
17. Cephalid Inkmage — Cephalid Inkmage fills your graveyard toward the 3 or more cards Gran-Gran needs
18. Sage of Mysteries — Sage of Mysteries fills your graveyard toward the 3 or more cards Gran-Gran needs
19. Scrabbling Skullcrab — Scrabbling Skullcrab fills your graveyard toward the 3 or more cards Gran-Gran needs
20. Selhoff Occultist — Selhoff Occultist fills your graveyard toward the 3 or more cards Gran-Gran needs

580 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 (Gran-Gran is one).

When a card hits the graveyard thanks to Gran-Gran:

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 (Gran-Gran is one).

When Gran-Gran attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Invisible Woman — triggers
3. Caesar, Legion's Emperor — sacrifices a creature

126 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 (Gran-Gran is one).

1. Adaptive Omnitool — When Gran-Gran attacks, Adaptive Omnitool searches a library

200 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 (Gran-Gran is one).

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

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