Mawcor

a Beast creature is cast — 587 cards in the game can cause this (Mawcor is one).

1. Tawnos, the Toymaker — When Mawcor is cast, Tawnos, the Toymaker copies a spell

a Beast enters the battlefield — 632 cards in the game can cause this (Mawcor is one).

1. Totem Speaker — When Mawcor enters, Totem Speaker gains you 3 life
2. Wirewood Savage — When Mawcor enters, Wirewood Savage draws you 1 card
3. Woodland Liege — When Mawcor enters, Woodland Liege draws you 1 card
4. Aether Charge — When Mawcor enters, Aether Charge deals 4 damage

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

When Mawcor 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. Ghyrson Starn, Kelermorph — deals 2 damage
6. Chandra's Incinerator — deals that much damage
7. Chandra's Pyreling — gets +1/+0
8. Talon of Pain — puts a charge counter on itself
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 (Mawcor is one).

When Mawcor 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 creature attacks — 17,934 cards in the game can cause this (Mawcor is one).

1. Anthem of Rakdos — When Mawcor attacks, Anthem of Rakdos gives +2/+0
2. Adaptive Omnitool — When Mawcor attacks, Adaptive Omnitool searches a library
3. Kindred Discovery — When Mawcor attacks, Kindred Discovery draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — When Mawcor attacks, Invasion of New Capenna // Holy Frazzle-Cannon puts counters on a permanent
5. Chorale of the Void — When Mawcor attacks, Chorale of the Void brings a card back
6. Anim Pakal, Thousandth Moon — When Mawcor attacks, Anim Pakal, Thousandth Moon puts a +1/+1 counter on itself
7. Saw — When Mawcor attacks, Saw sacrifices a creature
8. Gisa's Favorite Shovel — When Mawcor attacks, Gisa's Favorite Shovel makes an opponent sacrifice a creature
9. Ultima Weapon — When Mawcor attacks, Ultima Weapon kills a creature an opponent controls
10. Total War — When Mawcor attacks, Total War kills a creature

180 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 (Mawcor is one).

1. Temmet, Naktamun's Will — When Mawcor attacks, Temmet, Naktamun's Will draws you 1 card
2. Grim Javelineer — When Mawcor attacks, Grim Javelineer gives +1/+0
3. Invisible Woman — When Mawcor attacks, Invisible Woman triggers
4. Caesar, Legion's Emperor — When Mawcor attacks, Caesar, Legion's Emperor sacrifices a creature
5. Guide of Souls — When Mawcor attacks, Guide of Souls triggers
6. Campsite Cuisine — When Mawcor attacks, Campsite Cuisine sacrifices a Food
7. Gossip's Talent — When Mawcor attacks, Gossip's Talent triggers
8. Banon, the Returners' Leader — When Mawcor attacks, Banon, the Returners' Leader draws and discards
9. Toph, Earthbending Master — When Mawcor attacks, Toph, Earthbending Master puts a counter on a permanent
10. Three Dog, Galaxy News DJ — When Mawcor attacks, Three Dog, Galaxy News DJ sacrifices an Aura

111 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 (Mawcor is one).

1. Mage Hunters' Onslaught — When Mawcor blocks, Mage Hunters' Onslaught makes a player lose 1 life
2. Carnage Gladiator — When Mawcor blocks, Carnage Gladiator makes a player lose 1 life
3. Tide of War — When Mawcor blocks, Tide of War sacrifices a creature
4. Dead-Iron Sledge — When Mawcor blocks, Dead-Iron Sledge kills a creature
5. Dwindle — When Mawcor blocks, Dwindle kills a creature

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

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

1. Mardu Ascendancy — When Mawcor attacks, Mardu Ascendancy makes a token
2. Basri Ket — When Mawcor attacks, Basri Ket makes a token
3. Militia's Pride — When Mawcor attacks, Militia's Pride makes a token

a creature enters the battlefield — 19,800 cards in the game can cause this (Mawcor is one).

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

303 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 (Mawcor is one).

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

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