Pia Nalaar, Chief Mechanic

an Artificer enters the battlefield — 204 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

1. Inventor's Goggles — When Pia Nalaar, Chief Mechanic enters, Inventor's Goggles triggers

an artifact deals combat damage — 934 cards in Pia Nalaar's colors can cause this.

1. HYDRA Assault Robot — When HYDRA Assault Robot deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control
2. Canoptek Spyder — When Canoptek Spyder deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control
3. Traxos, Scourge Eternal — When Traxos, Scourge Eternal deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control
4. Molten Gatekeeper — When Molten Gatekeeper deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control
5. Soultether Golem — When Soultether Golem deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control
6. The Peregrine Dynamo — When The Peregrine Dynamo deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control
7. Straw Golem — When Straw Golem deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control
8. Sharding Sphinx — When Sharding Sphinx deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control
9. Curie, Emergent Intelligence — When Curie, Emergent Intelligence deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control
10. Research Thief — When Research Thief deals combat damage, Pia Nalaar, Chief Mechanic puts a counter on a permanent you control

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

a token enters the battlefield — 1,932 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

When a Vehicle enters thanks to Pia Nalaar, Chief Mechanic:

1. Mister Fantastic, Reed Richards — draws you 1 card
2. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
3. Woodland Champion — puts that many +1/+1 counters on itself
4. Wildwood Mentor — puts a +1/+1 counter on itself
5. Junk Winder — taps a creature, artifact, enchantment, planeswalker or battle an opponent controls

a token is created — 1,933 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

1. Idol of Oblivion — When Pia Nalaar, Chief Mechanic makes a Vehicle token, Idol of Oblivion draws you 1 card

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

anything gets a counter — 2,482 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

When a permanent gets a counter thanks to Pia Nalaar, Chief Mechanic:

1. Aether Revolt — deals that much damage
2. Territorial Gorger — gets +2/+2
3. Fabrication Module — puts a counter on a creature
4. All Will Be One — deals that much damage

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

an artifact it grants types to — 3,414 cards in Pia Nalaar's colors can cause this.

1. Silverskin Armor — Silverskin Armor gives Pia Nalaar, Chief Mechanic an extra creature type

3,413 other cards cause it too. These are the ones with the most connections.

a Human enters the battlefield — 1,935 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

When Pia Nalaar, Chief Mechanic enters:

1. Heronblade Elite — puts a +1/+1 counter on itself
2. Captain of the Mists — untaps itself
3. Erkenbrand, Lord of Westfold — gives +1/+0
4. Dawnhart Disciple — gets +1/+1
5. Vigilante Justice — deals 1 damage

an artifact enters the battlefield — 3,453 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

When a Vehicle enters thanks to Pia Nalaar, Chief Mechanic:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Mechan Assembler — makes a token
4. Rook Turret — draws you 1 card
5. Hedron Detonator — deals 1 damage
6. Skyswimmer Koi — draws you 1 card
7. Kappa Cannoneer — puts a +1/+1 counter on itself
8. Machinesmith Automaton — puts a +1/+1 counter on itself
9. Oreplate Pangolin — puts a +1/+1 counter on itself
10. Quicksmith Genius — draws and discards

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

a creature attacks — 9,684 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

When Pia Nalaar, Chief Mechanic attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Screaming Swarm — mills a card
4. Imperious Mindbreaker — mills a card
5. Staff of Titania — makes a token
6. Saw — sacrifices a creature
7. Ultima Weapon — kills a creature an opponent controls
8. Total War — kills a creature
9. The Spear of Leonidas — triggers
10. Norin the Wary — flickers itself

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

anything attacks — 9,684 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

When Pia Nalaar, Chief Mechanic attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Madame Web, Clairvoyant — mills a card
3. Bonny Pall, Clearcutter — draws you 1 card
4. Campsite Cuisine — sacrifices a Food
5. Gossip's Talent — triggers
6. Toph, Earthbending Master — puts a counter on a permanent
7. Inti, Seneschal of the Sun — triggers
8. Gut, True Soul Zealot — sacrifices a creature or artifact
9. Cool but Rude — draws and discards
10. Swashbuckler Extraordinaire — sacrifices a Treasure

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

a creature blocks — 9,684 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

When Pia Nalaar, Chief Mechanic blocks:

1. Barrow-Blade — strips abilities
2. Heat of Battle — deals 1 damage
3. Battle Strain — deals 1 damage
4. Favor of the Woods — gains you 3 life
5. Tide of War — sacrifices a creature
6. Dead-Iron Sledge — kills a creature
7. Dwindle — kills a creature

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

a creature enters the battlefield — 10,588 cards in Pia Nalaar's colors can cause this (Pia Nalaar is one).

When Pia Nalaar, Chief Mechanic enters:

1. Lonis, Genetics Expert — puts a counter on itself
2. Slash, Reptile Rampager — deals 2 damage
3. Gimli of the Glittering Caves — puts counters on a permanent
4. Ray Fillet, Wave Warrior — puts a counter on itself
5. Legolas Greenleaf — puts a counter on a permanent
6. Wingnut, Bat on the Belfry — grants flying, haste and menace
7. Raphael, Most Attitude — exiles a card from your library

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