Crackleburr

a creature untaps — 519 cards in the game can cause this (Crackleburr is one).

1. Fishing Pole — When Crackleburr untaps, Fishing Pole triggers

a creature becomes tapped — 565 cards in the game can cause this (Crackleburr is one).

When Crackleburr becomes tapped:

1. Unctus, Grand Metatect — draws you 1 card
2. Sharae of Numbing Depths — draws you 1 card
3. Rewrite History — draws you 1 card
4. Stinging Licid — deals 2 damage
5. Icewrought Sentry — gets +2/+1
6. Hawkeye's Bow — deals 1 damage
7. Lust for War — deals 3 damage
8. Cryoshatter — kills a creature
9. Don't Move — kills a creature
10. Hylda of the Icy Crown — triggers

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

anything becomes tapped — 699 cards in the game can cause this (Crackleburr is one).

1. Royal Decree — When Crackleburr becomes tapped, Royal Decree deals 1 damage

an Elemental enters the battlefield — 754 cards in the game can cause this (Crackleburr is one).

When Crackleburr enters:

1. Champion of the Path — deals its power damage
2. Risen Reef — puts a land onto the battlefield

anything deals noncombat damage — 3,068 cards in the game can cause this (Crackleburr is one).

When Crackleburr deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Soul-Scar Mage — puts that many counters on a permanent
3. Fear of Burning Alive — deals that amount damage
4. Niv-Mizzet, Visionary — draws you that many cards
5. Chandra's Incinerator — deals that much damage
6. Chandra's Pyreling — gets +1/+0
7. Talon of Pain — puts a charge counter on itself
8. Asgardian Inspiration — returns itself from the graveyard
9. Thor, Guardian of Midgard — exiles a card from your library
10. Virtue of Courage // Embereth Blaze — exiles a card from your library

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

life is lost — 3,160 cards in the game can cause this (Crackleburr is one).

When Crackleburr makes a player lose life:

1. Far Fortune, End Boss — raises your speed
2. Zahur, Glory's Past — raises your speed
3. Mendicant Core, Guidelight — raises your speed
4. Aether Syphon — raises your speed
5. Vnwxt, Verbose Host — raises your speed
6. Embalmed Ascendant — raises your speed
7. Slick Imitator — raises your speed
8. Oath of Lim-Dûl — sacrifices an enchantment
9. Marina Vendrell's Grimoire — triggers
10. Lich's Mastery — triggers

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

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Crackleburr is one).

1. Dual Nature — When a creature leaves the battlefield thanks to Crackleburr, Dual Nature exiles a creature

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

a creature leaves the battlefield — 4,238 cards in the game can cause this (Crackleburr is one).

When a creature leaves the battlefield thanks to Crackleburr:

1. Extractor Demon — mills a card
2. Valor of the Worthy — makes a token
3. Traveling Plague — returns itself from the graveyard
4. Funeral March — makes a player sacrifice a creature

28 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 (Crackleburr is one).

When Crackleburr attacks:

1. Shaun, Father of Synths — makes a token
2. Temmet, Naktamun's Will — draws you 1 card
3. Invisible Woman — triggers
4. Caesar, Legion's Emperor — sacrifices a creature
5. Guide of Souls — triggers
6. Campsite Cuisine — sacrifices a Food
7. Gossip's Talent — triggers

115 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 (Crackleburr is one).

When Crackleburr attacks:

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

189 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 (Crackleburr is one).

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

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

a creature is cast — 18,010 cards in the game can cause this (Crackleburr is one).

1. Champions of the Perfect — When Crackleburr is cast, Champions of the Perfect draws you 1 card

90 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 (Crackleburr is one).

When Crackleburr enters:

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

304 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 (Crackleburr is one).

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

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