Mindclaw Shaman

a Lizard attacks — 230 cards in the game can cause this (Mindclaw Shaman is one).

1. Hired Claw — When Mindclaw Shaman attacks, Hired Claw deals 1 damage

a Shaman creature enters the battlefield — 539 cards in the game can cause this (Mindclaw Shaman is one).

1. Thornbite Staff — When Mindclaw Shaman enters, Thornbite Staff triggers

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

1. Spellweaver Volute — When a sorcery is cast thanks to Mindclaw Shaman, Spellweaver Volute copies a spell
2. Riku of Two Reflections — When an instant is cast thanks to Mindclaw Shaman, Riku of Two Reflections copies a spell
3. Sword of Wealth and Power — When an instant is cast thanks to Mindclaw Shaman, Sword of Wealth and Power copies a spell
4. Lilah, Undefeated Slickshot — When an instant is cast thanks to Mindclaw Shaman, Lilah, Undefeated Slickshot gets +1/+1
5. Extus, Oriq Overlord // Awaken the Blood Avatar — When an instant is cast thanks to Mindclaw Shaman, Extus, Oriq Overlord // Awaken the Blood Avatar brings a card back
6. Metallurgic Summonings — When an instant is cast thanks to Mindclaw Shaman, Metallurgic Summonings makes a token
7. Storm-Kiln Artist — When an instant is cast thanks to Mindclaw Shaman, Storm-Kiln Artist makes a token
8. Niv-Mizzet, Parun — When an instant is cast thanks to Mindclaw Shaman, Niv-Mizzet, Parun draws you 1 card
9. Niblis of Frost — When an instant is cast thanks to Mindclaw Shaman, Niblis of Frost taps a creature an opponent controls
10. Mica, Reader of Ruins — When an instant is cast thanks to Mindclaw Shaman, Mica, Reader of Ruins sacrifices an artifact

424 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 (Mindclaw Shaman is one).

1. Pollywog Prodigy — When Mindclaw Shaman enters, Pollywog Prodigy puts a counter on itself

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