Iron Mastiff

a die is rolled — 88 cards in the game can cause this (Iron Mastiff is one).

When Iron Mastiff rolls a die:

1. Vrondiss, Rage of Ancients — deals 1 damage
2. Feywild Trickster — makes a token
3. The Space Family Goblinson — puts a +1/+1 counter on itself
4. Brazen Dwarf — deals 1 damage
5. Wyll, Blade of Frontiers — puts a +1/+1 counter on itself
6. Farideh, Devil's Chosen — grants flying and menace
7. Vexing Puzzlebox — puts the result charge counters on itself
8. Barbarian Class — gives +2/+0
9. Xenosquirrels — triggers
10. Priority Boarding — triggers

a Dog deals combat damage — 201 cards in the game can cause this (Iron Mastiff is one).

1. Sophia, Dogged Detective — When Iron Mastiff deals combat damage, Sophia, Dogged Detective makes a token

an artifact attacks — 1,243 cards in the game can cause this (Iron Mastiff is one).

When Iron Mastiff attacks:

1. Alibou, Ancient Witness — deals X damage
2. Bio-Asset Allocator — makes each opponent lose 1 life
3. Assaultron Dominator — puts a counter on a permanent
4. Aloy, Savior of Meridian — triggers

an artifact deals combat damage — 1,243 cards in the game can cause this (Iron Mastiff is one).

When Iron Mastiff deals combat damage:

1. Locutus of Borg — makes a token
2. Sharding Sphinx — makes a token
3. Antagonist Incorporator — makes a token
4. Research Thief — draws you 1 card
5. Thopter Spy Network — draws you 1 card
6. Hive Mind Coprocessor — makes you lose life
7. Pia Nalaar, Chief Mechanic — puts a counter on a permanent you control
8. Automated Assembly Line — triggers

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

a nontoken artifact deals combat damage — 1,243 cards in the game can cause this (Iron Mastiff is one).

1. Virulent Silencer — When Iron Mastiff deals combat damage, Virulent Silencer puts 2 counters on a permanent

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

When Iron Mastiff deals noncombat damage:

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

37 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 (Iron Mastiff is one).

When Iron Mastiff 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.

an artifact is cast — 3,683 cards in the game can cause this (Iron Mastiff is one).

When Iron Mastiff is cast:

1. Sai, Master Thopterist — makes a token
2. Ravenous Robots — makes a token
3. Pinnacle Emissary — makes a token
4. Mirrodin Besieged — makes a token
5. Poetic Ingenuity — makes a token
6. Digsite Engineer — makes a token
7. Myrsmith — makes a token
8. Riddlesmith — draws you 1 card
9. Dr. Madison Li — puts a counter on a permanent you control
10. Biotransference — makes you lose life

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

a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Iron Mastiff is one).

When Iron Mastiff enters:

1. Ultron, Artificial Malevolence — makes a token
2. The Prydwen, Steel Flagship — makes a token
3. Conquest Mission — puts a quest counter on itself
4. Surge Conductor — proliferates

3 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 (Iron Mastiff is one).

1. Anthem of Rakdos — When Iron Mastiff attacks, Anthem of Rakdos gives +2/+0

198 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 (Iron Mastiff is one).

1. Primeval Bounty — When Iron Mastiff is cast, Primeval Bounty makes a token

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 (Iron Mastiff is one).

1. Pollywog Prodigy — When Iron Mastiff enters, Pollywog Prodigy puts a counter on itself

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