Smaug, the Great Calamity // Spew Flame

hits creature — 2,298 cards in the game can cause this.

1. Jalira, Master Polymorphist — Jalira, Master Polymorphist can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
2. Polymorph — Polymorph can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
3. Birthing Ritual — Birthing Ritual can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
4. Industrial Advancement — Industrial Advancement can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
5. Killer Instinct — Killer Instinct can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
6. Arthur, Marigold Knight — Arthur, Marigold Knight can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
7. Proteus Staff — Proteus Staff can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
8. Synthetic Destiny — Synthetic Destiny can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
9. Divergent Transformations — Divergent Transformations can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
10. Transmogrify — Transmogrify can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
11. Lukka, Coppercoat Outcast — Lukka, Coppercoat Outcast can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library
12. Identity Echo — Identity Echo can put Smaug, the Great Calamity // Spew Flame onto the battlefield from your library

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

an Adventure sorcery is cast — 77 cards in the game can cause this (Smaug is one).

1. Lucky Clover — When Smaug, the Great Calamity // Spew Flame is cast, Lucky Clover copies a spell

a Dragon attacks — 474 cards in the game can cause this (Smaug is one).

When Smaug, the Great Calamity // Spew Flame attacks:

1. Silumgar, the Drifting Death — shrinks a creature by -1/-1
2. Utvara Hellkite — makes a token
3. The Ur-Dragon — draws you that many cards
4. Atarka, World Render — grants double strike
5. Kolaghan, the Storm's Fury — gives +1/+0
6. Invasion of Tarkir // Defiant Thundermaw — deals 2 damage
7. Ojutai, Soul of Winter — taps a creature, artifact, enchantment, planeswalker or battle an opponent controls
8. Dromoka, the Eternal — puts a counter on a permanent

a Dragon deals combat damage — 474 cards in the game can cause this (Smaug is one).

When Smaug, the Great Calamity // Spew Flame deals combat damage:

1. Parapet Thrasher — triggers
2. Broodcaller Scourge — puts a permanent onto the battlefield
3. Zurgo and Ojutai — triggers

a nontoken Dragon enters the battlefield — 484 cards in the game can cause this (Smaug is one).

When Smaug, the Great Calamity // Spew Flame enters:

1. Lathliss, Dragon Queen — makes a token
2. Miirym, Sentinel Wyrm — makes a token

a Dragon enters the battlefield — 524 cards in the game can cause this (Smaug is one).

When Smaug, the Great Calamity // Spew Flame enters:

1. Dragon Tempest — deals damage
2. Bloomvine Regent // Claim Territory — gains you 3 life
3. Sarkhan, Dragon Ascendant — puts a +1/+1 counter on itself
4. Ganax, Astral Hunter — makes a token
5. Scourge of Valkas — deals damage
6. Bladewing's Thrall — returns itself from the graveyard
7. Sarkhan, Soul Aflame — copies a permanent
8. Teeming Dragonstorm — triggers
9. Corroding Dragonstorm — triggers
10. Roiling Dragonstorm — triggers

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

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

When Smaug, the Great Calamity // Spew Flame 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. Dragonborn Champion — draws you 1 card
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.

a sorcery is cast — 3,720 cards in the game can cause this (Smaug is one).

When Smaug, the Great Calamity // Spew Flame is cast:

1. Tomik, Izzet Sparkmage — gets +1/+1
2. Spellweaver Volute — copies a spell
3. Lilah, Undefeated Slickshot — gets +1/+1
4. Niblis of Frost — gets +1/+1
5. Primeval Bounty — puts 3 counters on a creature
6. Tetsuko Umezawa, Pursuer — gets +1/+1
7. Thor, God of Thunder — deals that spell's mana value damage
8. Krile Baldesion — brings a card back
9. Artist's Talent — draws and discards
10. Blood Funnel — sacrifices a creature

424 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 (Smaug is one).

When Smaug, the Great Calamity // Spew Flame attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Invisible Woman — triggers

125 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 (Smaug is one).

1. Anthem of Rakdos — When Smaug, the Great Calamity // Spew Flame attacks, Anthem of Rakdos gives +2/+0

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Smaug is one).

1. Riku of Two Reflections — When Smaug, the Great Calamity // Spew Flame enters, Riku of Two Reflections makes a token

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

a creature is dealt damage — 18,923 cards in the game can cause this (Smaug is one).

1. Soul Link — When Smaug, the Great Calamity // Spew Flame is dealt damage, Soul Link gains you that much life

26 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 (Smaug is one).

1. Pollywog Prodigy — When Smaug, the Great Calamity // Spew Flame enters, Pollywog Prodigy puts a counter on itself

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