Smaug the Impenetrable

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

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

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

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

When Smaug the Impenetrable 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 the Impenetrable is one).

When Smaug the Impenetrable 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 the Impenetrable is one).

When Smaug the Impenetrable 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 the Impenetrable is one).

When Smaug the Impenetrable 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.

a token enters the battlefield — 3,710 cards in the game can cause this (Smaug the Impenetrable is one).

When a Treasure enters thanks to Smaug the Impenetrable:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Smaug the Impenetrable is one).

When Smaug the Impenetrable makes a Treasure token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

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

an artifact enters the battlefield — 4,643 cards in the game can cause this (Smaug the Impenetrable is one).

When a Treasure enters thanks to Smaug the Impenetrable:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — surveils
4. Sludge Strider — makes a player lose 1 life
5. Underhanded Designs — makes each opponent lose 1 life
6. Mechan Assembler — makes a token
7. Glassdust Hulk — gets +1/+1
8. Rook Turret — draws you 1 card
9. Hedron Detonator — deals 1 damage
10. Pactdoll Terror — makes each opponent lose 1 life

56 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 the Impenetrable is one).

When Smaug the Impenetrable attacks:

1. Invisible Woman — triggers
2. Caesar, Legion's Emperor — sacrifices a creature

129 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 (Smaug the Impenetrable is one).

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

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