Obsidian Charmaw

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

When Obsidian Charmaw 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 (Obsidian Charmaw is one).

When Obsidian Charmaw 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 (Obsidian Charmaw is one).

When Obsidian Charmaw enters:

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

a Dragon it applies enters with counters to — 488 cards in the game can cause this.

1. Dragonstorm Globe — Dragonstorm Globe gives Obsidian Charmaw counters as it enters

487 other cards cause it too. These are the ones with the most connections.

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

When Obsidian Charmaw 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 land in a graveyard — 634 cards in the game can cause this (Obsidian Charmaw is one).

Obsidian Charmaw puts cards into the:

1. Dread Tiller — graveyard that Dread Tiller can bring back
2. Sparring Dummy — graveyard that Sparring Dummy can bring back
3. Waking the Trolls — graveyard that Waking the Trolls can bring back
4. Soul of Windgrace — graveyard that Soul of Windgrace can bring back
5. Patient Naturalist — graveyard that Patient Naturalist can bring back
6. Blanchwood Prowler — graveyard that Blanchwood Prowler can bring back
7. Fall of the Thran — graveyard that Fall of the Thran can bring back
8. Mind Roots — graveyard that Mind Roots can bring back
9. Centaur Vinecrasher — graveyard, and Centaur Vinecrasher gets bigger
10. Terravore — graveyard, and Terravore gets bigger

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

a land is put into a graveyard from the battlefield — 636 cards in the game can cause this (Obsidian Charmaw is one).

When a land is put into a graveyard from the battlefield thanks to Obsidian Charmaw:

1. Vastwood Zendikon — brings a card back
2. Nissa's Zendikon — brings a card back
3. Corrupted Zendikon — brings a card back
4. Guardian Zendikon — brings a card back
5. Crusher Zendikon — brings a card back
6. Wind Zendikon — brings a card back
7. Akki Raider — gets +1/+0
8. Dingus Egg — deals 2 damage
9. Genju of the Realm — returns itself from the graveyard

1 other card cares about it too. These are the ones with the most connections.

a card in a graveyard — 7,589 cards in the game can cause this (Obsidian Charmaw is one).

1. Heart-Shaped Herb — Obsidian Charmaw puts cards into the graveyard that Heart-Shaped Herb can bring back
2. Enlightened Confidant — Obsidian Charmaw puts cards into the graveyard that Enlightened Confidant can bring back
3. Tergrid, God of Fright // Tergrid's Lantern — Obsidian Charmaw puts cards into the graveyard that Tergrid, God of Fright // Tergrid's Lantern can bring back
4. Grazing Kelpie — Obsidian Charmaw puts cards into the graveyard that Grazing Kelpie can bring back
5. Dauthi Voidwalker — Cards Obsidian Charmaw would put into an opponent's graveyard are exiled by Dauthi Voidwalker instead, and it can play from among them
6. Endurance — Obsidian Charmaw puts cards into the graveyard that Endurance can bring back
7. Thieves' Guild Enforcer — Obsidian Charmaw fills an opponent's graveyard toward the 8 or more cards Thieves' Guild Enforcer needs
8. Soaring Thought-Thief — Obsidian Charmaw fills an opponent's graveyard toward the 8 or more cards Soaring Thought-Thief needs
9. Athreos, Shroud-Veiled — Obsidian Charmaw puts cards into the graveyard that Athreos, Shroud-Veiled can bring back
10. Merfolk Windrobber — Obsidian Charmaw fills an opponent's graveyard toward the 8 or more cards Merfolk Windrobber needs

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Obsidian Charmaw is one).

When a land hits the graveyard thanks to Obsidian Charmaw:

1. The Haunt of Hightower — puts a +1/+1 counter on itself
2. Duskmantle Guildmage — makes each opponent lose 1 life

9 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 (Obsidian Charmaw is one).

When Obsidian Charmaw attacks:

1. Shaun, Father of Synths — makes a token
2. Optimus Prime, Hero // Optimus Prime, Autobot Leader — puts a counter on a permanent

132 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 (Obsidian Charmaw is one).

When Obsidian Charmaw is cast:

1. God-Eternal Oketra — makes a token
2. Bloodbond March — brings a card back

89 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 (Obsidian Charmaw is one).

1. Samwise Gamgee — When Obsidian Charmaw enters, Samwise Gamgee makes a token

32 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 (Obsidian Charmaw is one).

1. Enduring Courage — When Obsidian Charmaw enters, Enduring Courage gives +2/+0

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